PLEASE HELP QUESTION REDONE!!!! Simplify. 5√7+√7−2√7

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Jonycheung · Answer 1 · 2019-05-23T22:31:43+0000

4√7

This is similar to collecting like terms in algebra

take out a common factor of √7 from each term

= √7( 5 + 1 - 2 ) = 4√7