Question

Find roots of equation x2 - 4x + 4 = 0 by factorisation .​

Answer 1

Step-by-step explanation:

$x {}^{2} - 2x - 2x + 4 = 0$

$x(x - 2) - 2(x - 2) = 0$

$(x - 2)(x - 2) = 0$

$x = 2 \: or \: x = 2$

Answer 2

Answer:

see ans in the form of image.