Question

factorise:x³-8²+17x-10 ​

Answer 1

Answer:

ifx=1

x3−8x2+17−10

(1)3−8(1)2+17(1)−10

1−8+17−10

18−18

=0

sox=1

x−1

x−1)x3−8x2+17x−10(x2−7x+10

x3−x2

−+

−7x2+17x

−7x2+7x

+−

10x−10

10x−10

−+

0

(x-1)(x2-7x+10)

(x-1)(x2-5x-2x+10)

(x-1)[x(x-5)-2(x-5]

(x-1)(x-2)(x-5)

ANSWER