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What is the simplified expression for –2a2b + a2 – 5ab + 3ab2 – b2 + 2(a2b + 2ab)?
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4 votes
What is the simplified expression for –2a2b + a2 – 5ab + 3ab2 – b2 + 2(a2b + 2ab)?

User Nefarious
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1 Answer

4 votes
The answer should be 5ab + a to the 2nd power - b to the 2nd power.

1. regroup terms

2. simplify 2ab + 2ab to 4ab

3. simplify -2 * 2ab to -4ab

4. simplify 3ab * 2 to 6ab

5. simplify 2 * 4ab to 8ab

6. gather like terms

7. simplify.
User Jonathan Wickens
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