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For what values of x is the x^2+2x=24 true? A: -6 and -4 B: -4 and 6 C:4 and -6 D:6 and 4

For what values of x is the x^2+2x=24 true? A: -6 and -4 B: -4 and 6 C:4 and -6 D:6 and 4
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5 votes
For what values of x is the x^2+2x=24 true?

A: -6 and -4
B: -4 and 6
C:4 and -6
D:6 and 4

User FlyingDutch
by
8.6k points

1 Answer

4 votes
Hello!

x² + 2x = 24
x² + 2x - 24 = 0
(x + 6)(x - 4) = 0
x + 6 = 0 or x - 4 = 0
x = -6 or 4

Answer: C
User Ameer
by
8.6k points
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