Question

Add the following:
1. 3ab, -7ab, 3ab, -12ab
2. 3x2 - 5x + 6, 2x3 + 4x - 7
3. 3a + 4b + 5c, 6a - 3b - 7c, - 3a + 2b + 3c 4. x3 + y + 3x²y + 3xy2, 3x3 - 2y3
5. -5x + 3x4 - 4x3,9x6 + 4x4 + 20x3,-3x6 - 7x4 + x3
solve this very easy ​

Answer 1

Answer:

1) 3ab+3ab-7ab-12ab

= 6ab-19ab

= -13ab

Answer 2

Answer:

6ab-19ab

Step-by-step explanation:

-13ab please mark me as brilliant