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\[4{a}^{2}-\frac{1}{9}{(b-c)}^{2}\]
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4a^(2)-(1)/(9)(b-c)^(2)
4a^(2)-(1)/(9)(b-c)^(2)
{4a}^{2}-\frac{1}{{(9)(b-c)}^{2}}
1
Simplify
1
9
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2
\frac{1}{9}{(b-c)}^{2}
9
1
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to
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2
9
\frac{{(b-c)}^{2}}{9}
9
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2
.
4
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2
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9
4{a}^{2}-\frac{{(b-c)}^{2}}{9}
4
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9
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b
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)
2
Done
4*a^2-(b-c)^2/9
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