👤

c)(5x+1)(3x-1)>(4x-1)(x+2) dau coroana va rog mult

Răspuns :

15x^2-5x+3x-1>4x^2+8x-x-2
15x^2-2x-1>4x^2+7x-2
15x^2-4x^2-2x-7x>-2+1
11x^2-9x>-1