# 7.3 - 7.3 Simplifying Combining Radical Expressions ab a b...

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7.3 Simplifying & Combining Radical Expressions b a ab

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Is this true??? b a ab 36 9 4 =
2 x 3 = 6 b a ab 36 9 4 =

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This is also true for higher indexes. 3 3 3 b a ab =
This is also true for higher indexes. 4 4 4 b a ab =

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This is also true for higher indexes. 5 5 5 b a ab =
It is NOT true for adding! 4 9 4 9 + +

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b a b a =
3 3 3 b a b a =

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P.S. Obviously, b ≠ 0 3 3 3 b a b a =
5 25

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12
3.46 12

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3 4
3 4 3 4

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3 4 3 4 3 2
150

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6 25
6 25 6 25

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6 25 6 25 6 5
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