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Delvig [45]
3 years ago
9

gn="absmiddle" class="latex-formula">
Mathematics
1 answer:
inysia [295]3 years ago
5 0

Step-by-step explanation:

\sqrt{12-8x} =x-3\\

square both sides

12-8x=(x-3)^2

expand

12-8x=x^2-6x+9

simplify

0=x^2+2x-3

Factor

0=(x+3)(x-1)

the possible values for x are -3 and 1

Hope that helps :)

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