Question

Solve the following quadratic equation by factorisation method:

m² + 14m + 13 = 0

Answer 1

m² + 14m + 13 = 0 

m² + m + 13m + 13 = 0

m(m + 1) + 13(m + 1) = 0

(m + 1)(m + 13) = 0

m + 1 = 0 or m + 13 = 0 

m = −1 or m = −13