Question

Factorise : 5 x2 – 10 x

3 + 20 x4​

Answer 1

Answer:

(5x2)-10x3+(20x4)

=5(1x2)-5(2x3)+5(4x4)

=5(2)-5(6)+5(16)

=5(2-6+16)

=5x2(1-3+8)

=10(1-3+8)