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OpenStudy (anonymous):
what is the answer too (2a-3a^2)-(-9a-8)
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OpenStudy (anonymous):
(2a -3a^2) + (9a + 8); take the negative inside. (11a -3a^2 + 8) ; collect the like terms.
OpenStudy (anonymous):
=2a-3a^2+9a-8 =-3a^2+11a-8
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