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OpenStudy (anonymous):
(INSTANT MEDAL!) Which polynomial represents the difference below? 12x^3 + 7x + 3 - (3x^7 + 4x) is the answer 9x^10 + 4x^2 + 3 ?
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OpenStudy (anonymous):
I have -3x^7+12x^3+3x+3
OpenStudy (anonymous):
can you explain how?! so I could see what im doing wrong
OpenStudy (anonymous):
well the negative sign in front of the paretheses distributes, did you get that?
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