Question

Factorise:
4x2-8x+4
Fast

Answer 1

Answer:

4x2-8x+4

4x- 8x 2+4

- 4x +6

Answer 2

Answer:

$4 {x}^{2} - 8x + 4 \\ = 4 {x}^{2} - (4 + 4) x + 4 \\ = 4 {x}^{2} - 4x - 4x + 4 \\ = 4x(x - 1) - 4(x - 1) \\ = (4x - 4)(x - 1)$