Question

Subtract - 2x - 10 from 10x2 + 3.

Answer 1

10x2 + 2x + 13.

Explanation:

10x2 + 3 - (-2x - 10) (Note you have to put the -2x - 10 in brackets).

= 10x2 + 3 + 2x + 10 (Distributing the negative over the brackets).

= 10x2 + 2x + 13.