Question

(3x2 + 5x – 7)(x - 1) – (x2 – 2x + 3)(x + 4)​

Answer 1

Step-by-step explanation:

[(3x²+5x-7)(x-1)]-[(x²-2x+3)(x+4)]

[3x³+5x²-7x-3x²-5x+7]-[x³-2x²+3x+4x²-8x+ 12]

3x³+5x-7x-3x²-5x+7-x³+2x²-3x-4x²+8x-12

2x³-5x²-2x-5

Answer 2

Step-by-step explanation:

Here's my explanation