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Simplify the expression 7√7 - 2√28
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Simplify the expression 7√7 - 2√28
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Apr 20, 2018
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Simplify the expression
7√7 - 2√28
Mathematics
high-school
SMka
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7squareroot7-2squareroot28
=7squareroot7-2×2squareroot7
=7squareroot7-4squareroot7
=3squareroot7
=3×2.64
=7.92
Jimmy Lu
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Apr 22, 2018
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Jimmy Lu
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7√7 - 2√28
2 sqrt(28) = 4 * sqrt(7)
7*sqrt(7) - 4*sqrt(7) =
3 * sqrt(7)
Gzorg
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Apr 26, 2018
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Gzorg
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