Question

X2-5x+(m+4)=0 resolve para m=-4

Answer 1

Resposta:

Olá bom dia!

x² - 5x + (m + 4) = 0

Se m = -4:

x² - 5x + (-4 + 4) = 0

x² - 5x + 0 = 0

x² - 5x = 0

x(x - 5) = 0

x' = 0

x - 5 = 0

x" = 5

S = {0 , 5}