Question

Решите неравенство:
9х^2-3х+3<х^2-7х+35

Answer 1

$9x^2-3x+3 textless x^2-7x+35\\8x^2+4x-32 textless 0; Big |:4\\2x^2+x-8 textless 0\\D=1+64=65; , ; ; x_{1,2}= frac{-1pm sqrt{65}}{4}\\xin (frac{-1-sqrt{65}}{4}, ;, frac{-1+sqrt{65}}{4})$