Answer:
1. 10x^2 -4
2. 2a^5 + 5b
Step-by-step explanation:
1. Simplify 4(x^2 -1) to 4x^2 -4
then add that to 6x^2
2. 4a^5 - 2a^5 = 2a^5 and
4b+b = 5b
6x² + 4(x² - 1) = 6x² + 4*x² - 4*1
= 6x² + 4x² - 4
= 10x² - 4
4a⁵ - 2a⁵ + 4b +b = 2a⁵ + 5b
You have to add/ subtract the like terms
4a⁵ and 2a⁵ are like terms
4b and b are like terms
