add 6a^3b^2+12 ab-15 and 17 ab-4a^3b^2+9
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Answer:
2a3b2+29ab-6
Step-by-step explanation:
6a^3b^2+12 ab-15
-4a^3b^2 +17 ab+9
so answer is 2a3b2+29ab-6
hope it helps
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