3 years ago

Simplify the expression 7√7 - 2√28

2 answers:

8 0

qwelly [4]3 years ago

8 0

7squareroot7-2squareroot28
=7squareroot7-2×2squareroot7
=7squareroot7-4squareroot7
=3squareroot7
=3×2.64
=7.92

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