SOLUTION: solve. f(x) = (x+3)^2 find x so that f(x) = 10

Question 233098: solve.
f(x) = (x+3)^2 find x so that f(x) = 10
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solve.
f(x) = (x+3)^2 find x so that f(x) = 10
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(x+3)^2 = 10
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(x+3)^2-10 = 0
Factor the difference of squares:
[x+3+sqrt(10)][x+3-sqrt(10)] = 0
x = -3-sqrt(10)) or x = -3+sqrt(10)
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Cheers,
Stan H.
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