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DogGirl27:

What is the difference of the polynomials? (5x3 + 4x2) – (6x2 – 2x – 9) –x3 + 6x2 + 9 –x3 + 2x2 – 9 5x3 – 2x2 – 2x – 9 5x3 – 2x2 + 2x + 9

DogGirl27:

im sorry i dont really understand any of this lol

snowflake0531:

first get rid of the parenthesis -- the negative can be rewritten as -1 \((5x^3+4x^2)-1(6x^2-2x-9)\) \((5x^3+4x^2-6x^2+2x+9)\) Can you combine like terms and simplify

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