Question

factorise x^2+16x-36​

Answer 1

Answer:

$(x + 18)(x - 2)$

Step-by-step explanation:

${x}^{2} + 16x - 36$

$= {x}^{2} - 2x + 18x - 36$

$= x(x - 2) + 18(x - 2)$

$= (x + 18)(x - 2)$

Answer 2

Answer:

=x^2+18x-2x-36

=x(x+18)-2(x+12)

=(x+2)(x-2)