4(x - 1)(x + 2)> (x - 7)(4x + 2)
(4x-4)(x+2)>4x²+2x-28x-14
4x²+8x-4x-8>4x²+2x-28x-14
8x-4x-8>2x-28x-14
4x-8>-26x-14
4x+26x>-14+8
30x>-6
x>-1/5
espero te sirva!!!