Question

x²+3x-40=0 resposta com calculo PFV URGENTEEE!. <3

Answer 1

x^2+8x-5x-40=0

x×(x+8)-5(x+8)=0

(x+8)×(x-5)=0

x+8=0

x-5=0

x=-8

x=5

X1=-8,X2=5