Question

Factorise
X3+3x2+3x-7

Answer 1

Answer:

Now, x³ - 3x² + 3x + 7

= x³ + x² - 4x² - 4x + 7x + 7

= x²(x + 1) + -4x (x + 1) + 7 (x + 1)

= (x + 1) (x² - 4x + 7),

which is the required factorization.

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