Respuesta :

wegnerkolmp2741o

f(x)=(x+4) ^2 −25

to solve set equal to zero

0 =(x+4) ^2 −25

add 25 to each side

25 = (x+4) ^2

take the square root of each side

square root (25) =(x+4)

+- 5 = (x+4)

5 = x+4      -5 = x+4

subtract 4 from each side

1 =x            -9 =x

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