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To prepare for Chapter $7,$ review addition, subtraction, multiplication, and division using fraction notation (Sections $1.3,1.5,1.6, \text { and } 1.7)$$$\frac{3}{4}+\left(-\frac{5}{2}\right)[1.5]$$
$$-\frac{7}{4}$$
Algebra
Chapter 6
Polynomial Factorizations and Equations
Section 7
Applications of Polynomial Equations
Graphs and Statistics
Exponents and Polynomials
Equations and Inequalities
Polynomials
Oregon State University
Baylor University
University of Michigan - Ann Arbor
Lectures
01:36
To prepare for Chapter $7,…
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02:15
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To prepare for Section 7.3…
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To prepare for Section $3.…
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To prepare for Section 7.2…
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To prepare for Section $7.…
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To prepare for Section $5.…
All right. So the question that we're looking at today is we're reviewing the addition subtraction, multiplication and division using fraction notation. So the question ever given is 3/4. Plus, um, it's about Paul slurred plus negative in brackets five over to like that brackets a bit too big. Something that's gonna your accent. So the first thing we're gonna do is we're gonna make this that, um, just a bit more manageable, so it looks a bit cleaner. So we're just going to make it so that that, um, that plus sign and the negative sign just become a straight negative sign. Uh, because when there's a plus side of negative sign beside each other like that, it just becomes a negative sign. So it looks a lot cleaner. Now, when we do that, um, the next step we're gonna do is we're going to make common denominators in order to admits attract. You need to have common denominators between the fractions. So in this case, I look at the four and I look at the two and I can see that I could multiply the two bye bye to in order to get a four in the bottom, just like the other fraction. So that's why I'm gonna dio times to and whatever you do, the bottom you have to be the top. So this also gets multiplied by two. So our new oh, and question is gonna be 3/4 minus 10/4 on from there. We just, uh, minus the top for the bomb. So it's gonna be negative. 7/4 three minus 10 is negative. Seven. So negative 7/4 is our final answer. That will box that. So it's clear, and that is all.
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