Question 233098
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.