Question

14.29.
1) y = (x + 1)³ – (x + 2)³
2) y = (x - 1)– (x – 2)³
3) y = (x - 1)²(x - 2) - (x - 2)²(x - 1). ​

Answer 1

ответ:

$1) - 3 {x}^{2} - 9x - 7 \\ \\ 2)3 {x}^{2} - 9x + 7 \\ \\ 3){x}^{2} - 3x + 2$