Question

Resolva as equações de 2⁰ grau:
X²+8x=0
X²-10x=0
X²-12x=0

Answer 1

Resposta:

X²+8x=0

$x^{2} +8x=0\\x.(x+8)=0\\x=0\\x+8=0\\x=-8$

X²-10x=0

$x^{2} -10x=0\\x.(x-10)=0\\x=0\\x-10=0\\x=10$

X²-12x=0

$x^{2} -12x=0\\x.(x-12)=0\\x=0\\x-12=0\\x=12$