Question

Resolva as equações do 2° grau:

a)x² +5x+6=

c)x² +4x+3=

b) x²-7x+10=

d)x²-6x+8=​

Answer 1

Resposta:

$a) (x+3)*(x+2) =\\b) (x+3)*(x+1)\\c) (x-5)*(x-2)\\d) (x-2)*(x-4)$

Explicação passo-a-passo:

$a) x'=-3; x"=-2 \\b) x'=-3 ;x"=-1\\c) x'=+5 ;x"=+2\\d) x'=+2 ;x"=+4$