Answer:
x=225
Explanation:
√x-3+12=24
Combine -3 and 12
√x+9=24
Subtract 9 from 24
√x=15
Now do the opposite of a square root to the other side to remove the square root from the x
x=15^2
225
√x - 3 + 12 = 24
√x + 9 =24
√x = 24 - 9
√x = 15
Squaring on both sides,
( √x )^2 = 15^2
x = 225
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