radical 89 cannot be simplified.
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√89
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify..
6√2
sqrt(356) = sqrt(4*89) = sqrt(4)*sqrt(89) = 2*sqrt(89)
It is easier to work with simplified radicals just as it is easier to work with simplified fractions. A fundamental rule for math is to simplify whenever possible, as much as possible.