Combine like terms. (4x^2-5x+6)+(9x^2-2x)-(11x-3)

13x^2 - 18x + 9

Step-by-step explanation:

Step 1:  Distribute the plus and minus signs

(4x^2 - 5x + 6) + (9x^2 - 2x) - (11x - 3)

4x^2 - 5x + 6 + 9x^2 - 2x - 11x + 3

Step 2:  Combine like terms

4x^2 - 5x + 6 + 9x^2 - 2x - 11x + 3

13x^2 - 18x + 9

 13x^2 - 18x + 9

yes. we do proportions in probabilities.

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