kayybee416
kayybee416
28-02-2017
Mathematics
contestada
Simplify the expression
7√7 - 2√28
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wolf1728
wolf1728
28-02-2017
7√7 - 2√28
2 sqrt(28) = 4 * sqrt(7)
7*sqrt(7) - 4*sqrt(7) =
3 * sqrt(7)
Answer Link
H1a2r3s4h5
H1a2r3s4h5
28-02-2017
7squareroot7-2squareroot28
=7squareroot7-2×2squareroot7
=7squareroot7-4squareroot7
=3squareroot7
=3×2.64
=7.92
Answer Link
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