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OpenStudy (anonymous):
Find the sum of the three expressions and choose the correct answer. -8a3b + 3a2b2 - 5 2 + 5a2b2 3a3b + 7 - 9a2b2
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jhonyy9 (jhonyy9):
assum the same terms
jhonyy9 (jhonyy9):
-8a^3b + 3a^2b^2 -5 5a^2b^2 +2 3a^3b - 9a^2b^2 +7 ------------------------
jhonyy9 (jhonyy9):
do you understand it now ?
jhonyy9 (jhonyy9):
assum -8a^3b +3a^3b +3a^2b^2 +5a^2b^2 - 9a^2b^2 - 5 +2 +7 = = -5a^3b - a^2b^2 +4
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