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Gekata [30.6K]
2 years ago
14

3 times the quantity of d squared plus r, minus 2 times the quantity of d squared plus r

Mathematics
1 answer:
Stella [2.4K]2 years ago
3 0
D^2+ r because 3(d^2 + r ) - 2(d^2 + r ) = d^2+ r
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