3 years ago

-7x=x² + 12

Mathematics

1 answer:

nikitadnepr [17]3 years ago

8 0

Answer:

D. x = −3, −4

Step-by-step explanation:

1) Move all terms to one side.

7x+ + 12=0

2) Factor 7x + $x^{2}$ + 12.

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

3) Solve for x.

x = −3, −4

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