Question

(Q) Factorise
(i) x² + 5x + 6
is it (x+7) and (x-1) ?

Answer 1

Answer:

x² + 5x + 6 =0

x² +x+6x+ 6 =0

x(x+1) + 6(x+1)=0

x+6 =0 and x+1=0

x= -6 and x= -1

Answer 2

Answer:

x²+5x+6

x²+6x-x+6

x(x+6)-(x-6)

(x+6)(x-6)(x-1)

so it is wrong