Question

(x-1)(x+1)<2(x-5)²-x(x-3)​

Answer 1

Ответ:

Объяснение:

На фото

Answer 2

$\displaystyle\bf\\(x-1)(x+1)<2(x-5)^{2} -x(x-3)\\\\x^{2} -1<2(x^{2} -10x+25)-x^{2} +3x\\\\x^{2} -1<2x^{2} -20x+50-x^{2} +3x\\\\x^{2} -2x^{2} +x^{2}+20x-3x<50+1\\\\17x<51\\\\x<3\\\\Otvet:x\in(-\infty \ ; \ 3)$