Question

factorise
$x3 - x2 \: + ax + x - a - 1$




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Answer 1

x³-x²+ax-a+x-1

x²(x-1)+a(x-1)+1(x-1)

(x-1)(x²+a+1)

hope this helps

Answer 2

Hola Mate,

=x^3 - x^2 + ax - a + x - 1

=x^2(x-1) + a(x-1) + 1(x-1)

=(x-1)(x^2 + a + 1)

I hope it helps you...