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What is the result of the subtraction in the $x$ …

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84 Problem 85 Problem 86 Problem 87 Problem 88 Problem 89 Problem 90 Problem 91 Problem 92 Problem 93 Problem 94 Problem 95 Problem 96 Problem 97 Problem 98 Problem 99 Problem 100 Problem 101 Problem 102 Problem 103 Problem 104 Problem 105 Problem 106 Problem 107 Problem 108 Problem 109 Problem 110 Problem 111 Problem 112 Problem 113 Problem 114 Problem 115 Problem 116 Problem 117 Problem 118 Problem 119 Problem 120 Problem 121 Problem 122

Problem 9 Medium Difficulty

Write without parentheses.
a. $-\left(5 x^{2}-8 x+23\right)$
b. $-\left(-5 y^{4}+3 y^{2}-7\right)$

Answer

a. $-5 x^{2}+8 x-23$
b. $5 y^{4}-3 y^{2}+7$

Related Courses

Algebra

Elementary and Intermediate Algebra

Chapter 5

Exponents and Polynomials

Section 5

Adding and Subtracting Polynomials

Related Topics

Exponents and Polynomials

Polynomials

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Watch More Solved Questions in Chapter 5

Problem 1

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Video Transcript

we're being asked to write the following without parentheses. So let's look at part A Were being asked to write negative the quantity of five X squared minus eight X plus 23 without parentheses. Well, take a look That negative outside of the prophecies, that's really a negative one. So we can insert a negative one in front. Now we simply need to multiply each term inside our prophecies by negative one. So first, when I multiply five x squared by negative one, we're going to get negative five x squared. Next, I'm going to multiply a negative eight x by negative one and that will give me positive eight X And lastly, we're gonna multiply negative one by positive 23 which is negative. 23. So know this All it does is change is the signs of each of the terms inside that second inside that prem facie Well, part B is very similar. Negative on the outside really has a negative one Because of this negative one. Run me Multiply each term within our second from within our Prem theses. We're just going to change the sign. So negative one times negative five white to the four becomes positive. Five y two before negative one times three wide to the second becomes negative. Three. White to the second and negative one times negative seven becomes positive. Seven. So again, a negative one outside of Trump sees. All it does is change is the sign of each term within the prophecy.

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Alan S. Tussy, R. David Gustafson

Elementary and Intermediate Algebra

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