Question

Could you also check these to. Thanks.

(4x^2 + 9x - 1) - (5 - x^2)
Answer: 5x^2+ 9x - 6

(8 + 7a + 10a^2) - (a^2 - 3a - 2)
Answer: 10 + 10a + 9a^2

Answer 1

Both are correct