Question

Simplify r( square root 2)-2r(square root 3)+3r(square root 2)​
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Answer 1

Answer:

$r \sqrt{2} - 2r \sqrt{3} + 3 r \sqrt{2} \\ \\ = r \sqrt{2} + 3r \sqrt{2} - 2r \sqrt{3} \\ \\ = 4r \sqrt{2} - 2r \sqrt{3} \\ \\ = 2r(2 \sqrt{2} - \sqrt{3} )$

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Answer 2

Answer:

r

2

−2r

3

+3r

2

=r

2

+3r

2

−2r

3

=4r

2

−2r

3

=2r(2

2

−

3

)

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