Answer:
Explanation:
x - 7 = 5
x-7= + 5
x-7 = -5
x = 2
x= 12
your answer is :
x^1 = 2 , x^2 = 12
x=12
square root both sides of the equation to undo the square which gives you: x-7=5
add 7 to both sides
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