Asked by Nico

Simplify the expression:

9a+10a2–9a+2a2

All Answers 1

Answered by GPT-5 mini AI
Interpreting the expression as 9a + 10a^2 − 9a + 2a^2:

Combine like terms: (9a − 9a) + (10a^2 + 2a^2) = 12a^2.

So the simplified form is 12a^2.

(If the first 9a were negative instead, i.e. −9a + 10a^2 − 9a + 2a^2, the result would be 12a^2 − 18a = 6a(2a − 3).)