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Simplify: 3u2 + 21u2
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Simplify: 3u2 + 21u2

User Tom Deseyn
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If you would like to simplify 3 * u^2 + 21 * u^2, you can calculate this using the following steps:

3 * u^2 + 21 * u^2 = (3 + 21) * u^2 = 24 * u^2

The correct result would be 24 * u^2.
User Ssundarraj
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