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Perform the operations.$$\left(5.7 n^{3}-2.1 n\right)+\left(-6.2 n^{3}-3.9 n\right)$$

$-0.5 \mathrm{n}^{3}-6 \mathrm{v}$

Algebra

Chapter 5

Exponents and Polynomials

Section 5

Adding and Subtracting Polynomials

Polynomials

Campbell University

Oregon State University

Lectures

03:12

Perform the indicated oper…

01:17

01:14

02:23

02:14

02:05

01:51

02:36

00:54

perform the indicated oper…

01:16

Add.$$\left(3 n^{2}-5.…

01:52

00:28

Perform the operations.

01:32

00:44

01:08

Simplify each expression.<…

and this problem were being asked to perform the given operations on these two Paulino meals. Well, because between the two different polynomial, there's a plus sign. We're simply being asked to add the toupee calling, knowing you so toe Add Paulino meals were going to use the community and the social the properties to regroup and reorder our terms. So that way are like terms are together well. Our first term is 5.7 and two. The third it's life term is negative, 6.2 inch of the third. So when we regroup these, we can say that the queen had the quantity of 5.7 and two, the third minus 6.2 and two the third. Well, our next term is negative. 2.1 end. Well, it's like term is negative 3.9 10. So we'll have plus the quantity of negative 2.1 n minus 3.9. Now we simply need to combine our light terms when our first set of prophecies we have 5.7 and two the third minus 6.2 into the third, while 5.7 minus 6.2 is negative 0.5. So we'll have negative 0.5 and two the third. In our second set of prophecies, we have negative 2.1 n minus 3.9 and, well, negative. 2.1 minus 3.9 is negative six. So we'll have negative six. So our final answer is negative. 0.5 and two, the third, minus six and

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03:27

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