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ale4655 [162]
2 years ago
9

B is the midpoint of, AB = x² + 2x + 25 and BC = 40. What are the values of x?

Mathematics
1 answer:
8_murik_8 [283]2 years ago
6 0

Answer:

x=3, -5.

Step-by-step explanation:

x^2+2x+25=40

x^2+2x+25-40=0

x^2+2x-15=0

factor out the trinomial,

(x-3)(x+5)=0

zero property,

x-3=0, x+5=0,

x=0+3=3,

x=0-5=-5.

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Niccherip5 and 19 more users found this answer helpful

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2 years ago
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