cristinaarmijo1 cristinaarmijo1

01-02-2019
Mathematics

contestada

which expression is equivalent to 64 - 9x^2?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

01-02-2019

Answer:

(8-3x) (8+3x)

Step-by-step explanation:

64 - 9x^2

We can factor this expression since the is the difference of squares

(a^2 - b^2) = (a-b) (a+b)

let 64 = a^2 so a =8

let 9x^2 = b^2 so b = 3x

64 - 9x^2 = (8-3x) (8+3x)

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