Answer:
x=12,2
Explanation:
Add 25 on both sides
(x−7)2=25
x-7 = ±
x-7 = ±5
x=±5 +7
x= 12, 2
{2, 12}
Add 25 to your equation, take the square root, then add 7.
(x -7)^2 = 25
x -7 = ±√25 = ±5
x = 7 ± 5
x = 2 or 12 . . . . . the smaller answer is 2, so we list it first.
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