Respuesta :

wegnerkolmp2741o

Answer:

a = 0,-7

Step-by-step explanation:

a^2 + 7a=0

Factor out an a

a(a+7) =0

Using the zero product property

a=0   a+7 =0

a =0  a= -7

barha207

Answer:

a=(0,-7)

Step-by-step explanation:

a^2+7a=0

a^2+7a-7a=-7a

a^2=-7a

a=(0,-7)