Question

solve the following quadratic equations by factorization method 1) x2 +15x +56=0 for 10 class​

Answer 1

first we will do prime factorisation of 56

then we will simplify

x^2 + 8x + 7x + 56

x(x+8) +7(x + 8)

(x+7)(x+8)

x= -7 or -8