Answer:
1. (36 - 8) + (7b + 4) = 28 + 7b + 4 = 7b + 32
Answer: 7b + 32
2. (7x^2 - 3x + 2) + (5x - 2) = 7x^2 + 2x = 2x + 7x^2
Answer: 2x + 7x^2
3. (5y^2 - 2y + 1) - (y^2 + y + 3) = 4y^2 - 3y - 2
Answer: 4y^2 - 3y - 2
4. (-7a^4 - a + 4a^2) - (-8a^2 + a - 7a^4) = -7a^4 - a + 4a^2 + 8a^2 - a + 7a^4
Simplifying the expression, we get:
-7a^4 + 7a^4 + 4a^2 + 8a^2 - a - (-a) = 12a^2
Answer: 12a^2
5. (2x^2 - 7x^3 + 8x) + (-8x^3 - 3x^2 + 4) = -15x^3 - x^2 + 8x + 4
Answer: -15x^3 - x^2 + 8x + 4
6. (4m^2 - 2m + 4) - (2m^2 + 2m - 5) = 2m^2 - 4m + 9
Answer: 2m^2 - 4m + 9
Correct me if I'm wrong.
Explanation: