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f(x) = x^2 + 2x - 39

Rewrite the function by completing the square

(Answer by filling in these blanks):

f(x) = (x + ___)^2 + ___

fx x2 2x 39 Rewrite the function by completing the square Answer by filling in these blanks fx x 2 class=

Respuesta :

Answer:

(x + 1)² - 40

Step-by-step explanation:

Given

x² + 2x - 39

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² + 2x

= x² + 2(1)x + 1 - 1 - 39

= (x + 1)² - 40

juliannamiaromeo
i believe the answer is (x+1)^2 - 40

hope this helps !

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