SOLUTION: Expand and collect like terms of the expression (x+2)^3 -x^3
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Question 1177000: Expand and collect like terms of the expression (x+2)^3 -x^3
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
this is 1-3-3-1
so x^3+3x^2*2+3x*2^2+2^3-x^3
the x^3 disappear
have 6x^2+12x+8
or 6x^2+12x+8
-
if one wishes, can expand by squaring the first and foiling out x^2+4x+4 and x+2
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