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3 years ago

6

Which binomial is a factor of 9x^2-64

2 answers:

larisa86 [58]3 years ago

5 0

This is an example of a factor pattern called the Difference of Two Squares.

$A^2-B^2=(A+B)(A-B)$

What is playing the role of A? What do you square to get $9x^2$ ? That would be $3x$ .

What is playing the role of B? What do you square to get 64? That would be 8.

Your expression factors as $(3x+8)(3x-8)$

RSB [31]3 years ago

5 0

Answer:A

Step-by-step explanation:

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$\bold{Answer}$

$\boxed{\bold{X \ = \ 27}}$

$\bold{Explanation}$

$\bold{Solve: \ \frac{2}{3}x-\frac{1}{9}x+5=20}$

$\bold{--------------------------}$

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Yanka [14]

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