MatthewCur976398 MatthewCur976398

09-12-2020
Mathematics

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Simplify the expression 21b4 − 3b by combining like terms.
1. 18b5
2. 18b4
3. 21b4 − 3b
4. 18b3

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nyajackson211 nyajackson211

09-12-2020

I think the answer is number 3

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