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(2a⁶b⁹)³
8a¹⁸b²⁷
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Okay!
(8j⁹k⁶)²
64j¹⁸k¹²
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Okay!
(4q³s)²
16q⁶s²
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Okay!
-(2x)²
-4x²
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Okay!
5x²y + (-5x²y)
0
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Okay!
5ab + 5ab
10ab
Oops!
Okay!
xy + xy
2xy
Oops!
Okay!
(5pq²)³
125p³q⁶
Oops!
Okay!
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