math,correction,plz

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Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression.
Problem #54
(6-radical(20))/(2)

My answer: 3-radical(5)

Problem #50

Find the area of the rectangle shown in the figure.

width = radical (3) + radical (5)
Length = radical(3) + radical (5)

My answer: 15.75

first is correct. Second is correct.
As a side diversion, paste this into your Google search window.
(sqrt3 + sqrt5)^2

can you show me what you mean ...to paste ...thanks

Paste means copy.

oh okay thank you.....

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