garciaalexus1 garciaalexus1

10-10-2016
Mathematics

contestada

which are solutions to the equation below?
check all that apply

x^2 + 18 = -9x

A. 3
B. 6
C.-9
D. 9
E. -3
F. -6

Respuesta :

cesarsaladx cesarsaladx

10-10-2016

The answers would be E and F -6 and -3

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Аноним Аноним

10-10-2016

x^2 + 18 = -9x
x^2 +9x +18 = 0
(x+3) (x+6) =0

So x = -3 and x =-6
Answers: E and F

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