Question

simply x3-4-x+4x2 ÷ x2+3x-4​

Answer 1

Answer:

this is the answer hope it helps you

Answer 2

$\frac{ {x}^{3} - x + 4 {x}^{2} - 4 }{ {x}^{2} + 3x - 4 } \\ \\ = \frac{x( {x}^{2} - 1) + 4( {x}^{2} - 1) }{ {x}^{2} + 4x - x - 4} \\ \\ = \frac{(x + 4)( {x }^{2} - 1)}{(x - 1)(x + 4)} \\ \\ = x + 1$