Question

(x - 3) (x cube + 3x square - 7x + 1)​

Answer 1

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PJ2201

26.05.2018

Math

Secondary School

+5 pts

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Factorize

x3-3x2+3x+7

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jeromeviju111

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Remembering the standard formula for (a+b)3=a3+b3+3a2b+3ab2(a+b)3=a3+b3+3a2b+3ab2 will help in this question.

If a=x and b= 1, we get: (x+1)3=x3+1+3x2+3x(x+1)3=x3+1+3x2+3x