SOLUTION: (x+5) to the 3rd power

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Question 360488: (x+5) to the 3rd power
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

(x+5) to the 3rd power

(x+5)(x+5)(x+5)

step at a time

(x+5)(x^2 +25x + 25)

x(x^2 +25x + 25) + 5(x^2 +25x + 25)

x^3 +25^2 +25x + 5x^2 + 125x + 125

combine like terms

x^3 + 30x^2 +150x + 125