Question

Resolva as

Equações X²‐8x+15=0

Answer 1

Resposta:

x²-3x-5x+15=0

x×( x-3)-5(x-3)=0

(x-3)×(x-5)=0

x-3=0

x-5=0

x=3

x=5

x1= 3, x2= 5