Решите неравенство (3х+2)^2+(4x-3)^2≤(5x-1)^2
Решение:
(9x^+12x+4)*2+(16x^-24x+9)*2<(25x^-10x+1)*2</p>
(18x^+24x+8)+(32x^-48x+18)<(50x^-20x+2)</p>
18x^+24x+8+32x^-48x+18<50x^-20x+2</p>
50x^-24x+26<50x^-20x+2</p>
50x^-24x+26-50x^+20x-2<0 50x^сокращается</p>
-4x+24<0</p>
-4x<0</p>
x>6