Question

Решите систему уравнений и неравенств:
$x^{2}$-х-72≤0
х/3-х<0

Answer 1

$left { {x^2-x-72 leq 0} atop {frac{x}{3-x} textless 0}} right. ; left { {{(x+8)(x-9) leq 0} atop frac{x}{x-3} textgreater 0}} right. ; left { {{xin [-8,9, ]} atop {xin (-infty ,0)cup (3,+infty )}} right. \\+++[-8, ]-------------[, 9, ]++++\\++++++++(0)---(3)++++++++++\\xin [-8,0)cup (3,9, ]$