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math polynomials

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Simplify 4q^2-5q-1+8q^2+8q-9
A. -4q^2+3q+8
B. 12q^2+3q-10
C. -12q^2-13q-10
D. -4q^2-13q+8
I'm pretty sure its B. 12q^2+3q-10

Add (4x-2y) + (7x-5y)
A. 11x+3y
B. 11x-7y
C. -3x+3y
D. -3x-7y
I think this one is B. 11x-7y, also.

  • math polynomials - ,

    both are right!

  • math polynomials - ,

    Alright, thank you:)

  • math polynomials - ,

    In google type:
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    When you see list of results clik on:
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    In rectacangle type your expresion and click option:
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    You will se solution step by step

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