Question

factorise x2+5x+6 by using identity​

Answer 1

${x}^{2} + 5x + 6 = 0$

${x}^{2} + 3x + 2x + 6 = 0$

$x(x + 3) + 2(x + 3) = 0$

$(x + 2) = 0 \: \:or \: \: (x + 3) = 0$

$x = - 2 \: \: or \: \: x = - 3$