Question

х^2-18х>_0 решите плииз

Answer 1

$x^2-18x>0\\x(x-18)>0\\+++(0)---(18)+++\\xin (-infty,0)U(18,+infty)$

Answer 2

x²-18x≥0 x(x-18)≥0 x≥0 x-18≥0 x≥18