Question

I. Instructions: Add/Subtract the following polynomials. Show your
solutions.

1. (5x4 – 3x2 + 4) + (6x3 – 4x2 – 7)
2. (8a – 15b – 5c) + (–9a + 8b – 8c)
3. (25x2 – 9x + 5) + (12x2 + 7x – 9)
4. (5x3 – 7x2 + 3x – 4) – (8x3 + 2x2 + 3x – 7)
5. (35m2 + 16mn –36n2) – (9m2 + 42mn + 4n2 –20)

Answer 1

Answer:

21

a-7b-13

26-2x-4

26-26+20-20

0 is answer

Step-by-step explanation: