Question

Dada a função y=-x²+6x determine os zeros da função quadrática Obs: Ajudem por favor

Answer 1

$y=x^2+6x\\\\\\ x^2+6x=0\\\\ Por~~Evid\^encia:\\\\ x(x+6)=0\to\\\\ \large\boxed{x=0}\\\\ x+6=0\to~~\large\boxed{x=-6}\\\\\\\\ \large\boxed{\boxed{S=\{-6~;~0\}}}$