Which of the following are solutions to the equation below? Check all that apply. 9x2 - 2x + 25 = 8x2 + 8x A.25 B.4 C.5 D.-5 E.-3 F.6

asked Nov 10, 2022 83.1k views

5 votes

Which of the following are solutions to the equation below?

Check all that apply.
9x2 - 2x + 25 = 8x2 + 8x

A.25
B.4
C.5
D.-5
E.-3
F.6

4.9k points

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9 votes

Answer:

Explanation:

$9x^2 - 2x + 25 = 8x^2 + 8x\\\\9x^2 - 2x + 25 - 8x^2 - 8x = 0\\\\x^2-10x+25=0\\\\x^2-2\cdot x\cdot5+5^2=0\\\\(x-5)^2=0\\\\x-5=0\\\\x=5$

CJ Zougloub answered Nov 15, 2022

4.6k points

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