Question

x+x² + x³ + x−2x² − 7; - 4x+3x2x-5x² +9y² −12; 8x²+2x³-6x² +5x−4x² +1 помогите ​

Answer 1

Ответ:

1) 2x+x²+x³2x²-7

2x-x²+x³-7

x³-x²+2x-7

2)4x+6x²-5x²+9y²-12

4x+x²+9y²-12

3)8x⁴+2x³-10x²+5x+1