Question

24 Pontos Pra Quem Responder
Efetue as seguinte adiçoes e subtraçoes ente pilinomios
A) (2x²-9x+2)-(7x³-6x²+8x)+(3x²+7x-1)

B) (5x²+5x-8)+(-2x²+3x-2)-(3x²+8x-2)

c) (3x-6y+4)+(x+2y-2)-(2x-2y+5)

Answer 1

2x²-9x+2-7x³-6x²+8x+3x²+7x-1
7x³-2x²-6x²+3x²-9x+8x+7x+2-1
7x³-8x²+3x²-x+7x+1
7x³-5x²+6x+1

5x²+5x-8-2x²+3x-2-3x²+8x-2
5x²-2x²-3x²+5x+3x+8x-8-2-2
3x²-3x²+8x+8x-6-2
18x-4

3x-6y+4+x+2y-2-2x-2y+5
3x+x-2x-6y+2y-2y+4-2+5
4x-2x-4y-2y+2+5
2x-6y+7
  Espero Ter Ajudado XD