Question

factorise:
$x2 - 4x + 4$
​

Answer 1

Given :-

x² - 4x + 4

To do :-

Factorise

Solution :-

x² - 4x + 4 = 0

x² - (2x + 2x) + 4 = 0

x² - 2x - 2x + 4 = 0

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

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

(x - 2)² = 0

[tex][/tex]

Answer 2

Answer:

x2-4x+4

x2-2x-2x+4

2x(x-2)-2(x-2)

(2x-2) (x-2)

hope it is useful