Question

In the following exercises, simplify each rational expression. $\frac{8 b^2-32 b}{2 b^2-6 b-80}$

   In the following exercises, simplify each rational expression.
$\frac{8 b^2-32 b}{2 b^2-6 b-80}$
Intermediate Algebra
Intermediate Algebra
Lynn Marecek 1st Edition
Chapter 7, Problem 17 ↓
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In the following exercises, simplify each rational expression. $\frac{8 b^2-32 b}{2 b^2-6 b-80}$
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Transcript

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00:01 For this exercise, we can rewrite this as, let's see, as 2 times 4b squared minus 16b over 2b squared minus 3b minus 40.
00:21 Then we can rewrite this by simplification as 4b squared minus 16b.
00:39 And that's our numerator...
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