is the bot here? I need help

3 answers

Yes, I'm here. What can I help you with?
2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9
To simplify the expression, combine "like terms" by adding or subtracting their coefficients.

Group the like terms together:

= (3x^2 - 4x^2) + (5x - 2x) + (6 + 9)

Simplify each group:

= -x^2 + 3x + 15

Therefore, the simplified expression is -x^2 + 3x + 15.