infamisedits infamisedits

22-04-2021
Mathematics

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QUADRATIC EQUATIONS HELP(no link or im reporting)

QUADRATIC EQUATIONS HELPno link or im reporting class=

Respuesta :

jimrgrant1 jimrgrant1

22-04-2021

Answer:

D

Step-by-step explanation:

Given

x² - 8x +

To complete the square

add ( half the coefficient of the x- term )² to x² - 8x

x² + 2(- 4)x + (- 4)²

= x² - 8x + 16 → D

= (x - 4)² ← perfect square

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