Factorise the equation below (1)

(1) x2 + 15x + 56 = 0

56 = 1 x 56, 2 x 26, 4 x 14, 7 x 8

7 + 8 = 15

Hence, factorised equation is (x + 7)(x + 8) = 0

FT

Related Maths GCSE answers

All answers ▸

Solve the quadratic inequality x^2+x-6>/= 0.


Find the 16th term in the following sequence: 3, 5, 7, 9, 11


what is 0.777... as a fraction?


Factorise this equation and then solve for x) 2x^2 - 3x-2