Question

12x^{2}+8x^{2}+5x^{2}

Answer 1

[AI-generated answer — Bot GPT 3.5]

When you combine like terms, you add the coefficients of the same variables. In this case, the variables are all x^2.

So, 12x^2 + 8x^2 + 5x^2 can be simplified as (12 + 8 + 5)x^2 which equals 25x^2.

Therefore, the simplified expression is 25x^2.