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X^2+12=76 Please answer in two steps and an answer.

User Jmenezes
by
3.2k points

2 Answers

0 votes

Answer:

8,-8

Explanation:


x^2+12=76\\x^2-64=0\\(x-8)(x+8)=0\\x=8,-8

Hope this helps!

User Flo Rahl
by
3.5k points
2 votes

Answer:

x = ±8

Explanation:

x^2+12=76

Subtract 12 from each side

x^2+12-12=76-12

x^2 = 64

Take the square root of each side

sqrt(x^2) =±sqrt(64)

x = ±8

User Brian Teeter
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3.3k points