Question

Combining Like terms

please answer the following problem .Please show work

1. 7x2 – 5x + 10x – 8x2


2. – 6a3 + 5a3 + 2a2 – a2


3. – 4(x + 5) – 5(x – 1)


4. – a + 5b – 6a + 5(a + 1)

5. 18x4 – 3x3 – 2x3 + x2 – 10 + 6

Answer 1

1.-x2 +5x

2.-a3

3.-4x -20x - 5x+5

-29x+5

4.-7a+5b+5a+5

-2a+5b+5+×2-4

5.18x4-5x3