Question

sqrt160-sqrt90+sqrt40 U

Solution

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Answer

3√10

Explanation

There are no steps or operations between the square roots, they can be simplified as a sequence of operations. Begin by simplifying √160, √90 and √40 separately:√160 converts into 4√10√90 on its converts into 3√10√40 on its own becomes 2√10.Then substitute it back into their original expression, therefore the results of this problem operation ↓：4√10-3√10+2√10 = 3√10