Respuesta :
Answer:
x=-7, x=-8
Step-by-step explanation:
x^2 +15x +56=0
look for two numbers that their sum is 15 and their product =56
(x+7)(x+8)=0
x=-7, x=-8
Answer:
x=-7, x=-8
Step-by-step explanation:
x^2 +15x +56=0
look for two numbers that their sum is 15 and their product =56
(x+7)(x+8)=0
x=-7, x=-8