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- Shark145 10.00

## Answers

## yassautumn

## Best answer

[latex]3\sqrt{50} -5\sqrt{72} +5\sqrt{18}=\\ 15\sqrt2-30\sqrt2+15\sqrt2=\\ 0 [/latex]

## Gracie216

[latex]3\sqrt{ 50} -5 \sqrt{72} +5 \sqrt{18}=3\sqrt{ 25\cdot 2} -5 \sqrt{36\cdot 2} +5 \sqrt{9\cdot 2}=\\ \\=3\cdot 5\sqrt{ 2} -5*6 \sqrt{ 2} +5\cdot 3 \sqrt{ 2}=15\sqrt{ 2} -30 \sqrt{ 2} +15\sqrt{ 2}= 0[/latex]