Question

Find factors of x²+11x+18

Answer 1

$x ^{2} + 11x + 18$

$x ^{2} + (9 + 2)x + 18$

$x ^{2} + 9x + 2x + 18$

$x(x + 9) + 2(x + 9)$

$(x + 9)(x + 2)$

Answer 2

x^2+11x+18=0

x^2+9x+2x+18=0

x(x+9)+2(x+9)=0

x=-9 , x=-2 Ans...