Solve x^2-x-12=0
x2 - x - 12 = 0Factorise to get (x-4)(x+3)=0This gives (x-4)=0 or (x+3)=0So x=4 or x=-3
Related Maths GCSE answers
All answers ▸Solve this set of linear equation to find x and y: 1. 8x + 2y =48 2. 7x +3y =47
Solve the simultaneous equations: a) 2x + y = 18, b) x - y = 6
Show that (sqrt(3) + sqrt(75))^{2} = 108
