Diwithfive Diwithfive
  • 13-05-2017
  • Mathematics
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How do you multiply (x+5)(x+5)(x+5)

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emarina
emarina emarina
  • 13-05-2017
The answer is x^3+15x^2+75x+125
Work: (x+5)^3  ,  x^3+3x^2*5+3x*5^2+5^3  ,  3x*25+125+x^3+15x^2  and you get x^3+15x^2+75x+125
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