jasminesnowden27 jasminesnowden27

22-05-2020
Mathematics

contestada

Start with x2 + 4x = 12 and complete the square, what is the equivalent equation?

Respuesta :

jimrgrant1 jimrgrant1

22-05-2020

Answer:

(x + 2)² = 16

Step-by-step explanation:

Given

x² + 4x = 12

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(2)x + 4 = 12 + 4, that is

(x + 2)² = 16

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