Корень x^2-10x+16<2x+1

Question

Корень x^2-10x+16<2x+1

Answer 1

X^2-10x+16 <2x+1<br>x^-10x+16-2x-1 <0<br>x^2-12x+15 <0<br>D=12^2-4 (ac) = 144-4×1×15=144-60=84