Factorize x3 + x – 3x2 – 3. – InterviewSolution

1.

Factorize x3 + x – 3x2 – 3.

Answer»

x³ + x – 3x² – 3

x³ - 3x² + x - 3

x²(x - 3) +1(x - 3)

Taking ( x – 3) common

(x - 3) (x² + 1)

Therefore x³ + x – 3x² – 3 = (x – 3) (x² + 1).

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