Question

Resolva a equação de 2° grau: X² + 10x - 56 = 0

Answer 1

hm peraii q ja volto com a resposta presciso fazer umas cntas

Answer 2

x^2+10x-56=0》a=1 , b=10 , c=-56》 x=-10+,-\/10^2;4(1)(-56) / 2(1)》 x=-10+,-\/100-4(-56) / 2》 x=-10+,-\/100+224 / 2》x=-10+,-\/324 / 2. x=-10+,-18/2. x1=-10+18/2》x1=8/2》x1=4. x2=-10-18/2》x2=-28/2》x2=-14