naijahG naijahG

26-02-2021
Mathematics

contestada

-7x=x² + 12
A)
x = 3, x = 5
B)
x = 3.x = 4.17
X = -3, x = 5
D)
x = -4X=-3

Respuesta :

EmmaEllis123 EmmaEllis123

26-02-2021

Answer:

D. x = −3, −4

Step-by-step explanation:

1) Move all terms to one side.

7x+ + 12=0

2) Factor 7x + [tex]x^{2}[/tex] + 12.

(x + 3)(x + 4) = 0

3) Solve for x.

x = −3, −4

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