Question

factorise by appropriate identities -xsqauare-4x+2​

Answer 1

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

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

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

$\sqrt{x - 2 ^{2} } = \sqrt{2}$

$x - 2 = + - \sqrt{2}$

$x = 2 + - \sqrt{2}$

IT'S (X - 2)^2...