Question

Factorise x^2-x-6 please help

Answer 1

x^2-3x+2x-6=0

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

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

x=3,-2

Answer 2

Ask: Which two numbers add up to -1 and multiply to -6

-3 and

2. Rewrite the expression using the above.

(x-3)(x+2)

Explanation: