Cool math Algebra Help Lessons: Polynomials - Adding & Subtracting (addition and subtraction)

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Coolmath Algebra
Polynomials lesson 4 - Adding & Subtracting (page 5 of 5) page 1
---- This algebra lesson explains how to add and subtract polynomials.

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I hope you did this:

5 - 3 = 2

So, I hope you won't mess up the set-up on this guy:

Be careful with the wording!

( 8a^3 + b + 4 ) - ( 2a^3 + b - 3 ) = ( 8a^3 - 2a^3 ) + ( b - b ) + ( 4 + 3 ) = 6a^3 + 7

YOUR TURN:

subtract 3x^2 - 6xy + y^2 from x^2 - 4xy + 5y^2

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