lukemcrorie0505 lukemcrorie0505

21-09-2020
Mathematics

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Rewrite the equation by completing the square.
x2 + 3x – 28 = 0
(x +
)2 =

Respuesta :

aryanjangra506 aryanjangra506

21-09-2020

Step-by-step explanation:

x2 + 3x – 28 = 0

x^2+7x-4x-28=0

x (x+7)-4(x+7)=0

x-4)(x+7)=0

x=4

x=-7

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