Question

2) Simplifique as expressões algébricas.

a) 7b + 5c - a + 4a - 3b - 2c


b) 8ab - 3c + 4d - 2d + 3c - 4ab

c) 2 + 6a²b-2a² + 7b²-5a² b - 3a² + 3 - 2b² - 2a²


d) 7y³- 4y + 4 – 2y³ - 3 - 3y – 4y³


me ajudem pff ​

Answer 1

a) 7b + 5c - a + 4a - 3b - 2c=

4b+3c+3a

b) 8ab - 3c + 4d - 2d + 3c - 4ab=

4ab+4d

c) 2 + 6a²b - 2a² + 7b² - 5a² b - 3a² + 3 - 2b² - 2a²=

5 + 1a²b - 7a² + 5b²

d) 7y³- 4y + 4 – 2y³ - 3 - 3y – 4y³=

1y³-7y + 1