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
(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
