(3x^2-4x-1)+(8x^2-x+6)

when adding polynomials you add like terms meaning x^2 + X^2 and x + x and numbers to numbers

3x^2 + 8x^2 - 4x - x - 1 + 6 reorder them and add/subtract, make sure you pay attention to the negatives and positives

ans is

11x^2 -5x + 5

let me know if you need any further help

thank you

lily

Thank You i was just checking to make sure i got it right

You are very welcome, please contact me if you need additional help

~lily

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