Question

решите срочно пжжжжж​

Answer 1

$1-64x^{3} -6x^{3} \leq 10x-70x^{3} \\1-70x^{3} \leq 10x-70x^{3} \\1\leq 10x\\10x\geq 1\\x\geq \frac{1}{10}$

$99x^{3} -(1+125x^{3} )\geq 12x-26x^{3} \\\99x^{3} -1-125x^{3} \geq 12x-26x^{3} \\\-26x^{3} -1\geq 12x-26x^{3} \\\\-1\geq 12x\\12x\leq -1\\x\leq -\frac{1}{12}$