Factorise x^(2)+5x+6

To factorise we must think what two numbers add up to 5 but times together to get 6. We know it is two numbers because it is x^(2). If it was x^(3) there could be 3 numbers, ect. We think what goes into 6: (6, 1) and (3, 2) (3,2) add up to 5! Therefor the answer is:(x+3)(x+2) We can check this by multiplying out the brackets.

TJ

Related Maths GCSE answers

All answers ▸

Find the positive solution to the equation (x^2+9x+18)/(x^2-9)=10


How do you factorize a quadratic when a ≠ 1 when ax²+bx+c=0


Solve the simultaneous equations 4x + 7y = 1 and 3x +10y = 15.


Factorise x² + 10x + 16