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4a^{2}-34
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4a^{2}-34
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2\left(2a^{2}-17\right)
Subtract 20 from 3 to get -17.
4a^{2}-34
Use the distributive property to multiply 2 by 2a^{2}-17.
2\left(2a^{2}-17\right)
Subtract 20 from 3 to get -17.
4a^{2}-34
Use the distributive property to multiply 2 by 2a^{2}-17.
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