Question

Помогите решить неравенство
(x+1)(2-x)(5x-16)≤ 0

Answer 1

$(x+1)(2-x)(5x-16) leq 0\\-(x+1)(x-2)(5x-16) leq 0\\(x+1)(x-2)(5x-16) geq 0\\---(-1)+++(2)---(16/5=3,2)+++\\xin [-1,2, ]cup [, 3,2, ;infty )$