Question

$left { {{y=3 x^{2}-8x-2 } atop {y=25-8x}} right.$

Answer 1

$3 x^{2} -8x-2=25-8x \ \ 3 x^{2} =27 \ \ x^{2} =9 \ \ x=3;x=-3 \ \ y=25-8*3=1 \ \ y=25+8*3=49 \ \ (3;1);(-3;49)$