ljohnson7824 ljohnson7824

09-08-2021
Mathematics

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X^2-9 can be factored using the formula

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

09-08-2021

Answer:

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

Step-by-step explanation:

x^2 -9

Rewriting as

x^2 - 3^2

We notice that this is the difference of squares

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

x^2 - 3^2 = (x-3)(x+3)

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