add and subtract polynomials

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Thanks Evie this should be positive cuz 3x^2 - 2x^2 is x^2. This is a mistake I didn't catch in the edit process. The mistake occurs at 2:25 in the video.

Mathbyfives
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this saves me from attending lecture classes

sampleshantal
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evies right the -x^2 should be a positve

rpearce
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Lol wow very nice. Nice catch on error

jonathancipriano