raniemaly raniemaly

16-06-2020
Mathematics

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64x^2-81 what’s the answer ?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-06-2020

Answer:

(8x-9)(8x+9)

Step-by-step explanation:

64x^2 - 81

Rewriting

(8x)^2 - 9^2

We recognize that this is the difference of squares

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

(8x-9)(8x+9)

Answer Link

Аноним Аноним

16-06-2020

Answer:

(8x+9)(8x-9)

Step-by-step explanation:

64x^2= 8x*8x

-81= 9*-9

Answer Link

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