Question

(ii) (
$show this answer$
x-6)(x + 7) = (x+3)(x-11)​

Answer 1

hey mate

(x-6)(x+7)=(x+3)(x-11)

=>x(x+7)-6(x+7)=x(x-11)+3(x-11)

=>

${x}^{2} + 7x - 6x - 42 = {x}^{2} - 11x + 3x - 33$

=>

${x }^{2} + x - 42 = {x}^{2} - 8x - 33$

=>9x=9

=>x=1