factorise x2 + x - 12
\(x^2+x-12\)Answer:\(=(x-3)(x+4)\)
1,122,63,4 thats all since its -12 , one will be negative and one will be positive.since there's 1X, the two numbers differ by 1 only 3 & 4 fit so it's 4+ and -3 (X+4)*(X-3)