SOLUTION: use long division and check (x^3-64)divided by(x-4)

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Question 636577: use long division and check (x^3-64)divided by(x-4)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

x-4 |x^3 - 64 is x^2 +4x +16





and...(x-4)(x^2+4x+16) = x(x^2+4x+16) - 4(x^2+4x+16) = x^3 - 64