Question

Solve by formula method: 2xsquare - 8x + 4 =0​

Answer 1

Step-by-step explanation:

$= 2 {x}^{2} - 8x + 4 \\ = 2( {x }^{2} - 4x + 4 ) \\ = {x}^{2} - 2x - 2x + 4 \\ \\ x(x - 2) \: and \: - 2(x - 2) \\ \: \: then \: x \: = 2 \: \: and \: - 2$