Question

x2-6x=-x2 me ajudem urgente

Answer 1

$x^{2} -6x=- x^{2} \\ \\ x^{2} + x^{2} -6x=0 \\ \\ 2 x^{2} -6x=0 \\ \\ fatorando \\ \\ x(2x-6)=0 \\ \\ 2x-6=0~~~~~x=0 \\ \\ 2x=6 \\ \\ x=6\div2 \\ \\ x=3 \\ \\ S=\{0,3\}$