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OpenStudy (anonymous):

@Mertsj -2√2 (5 - 5√5) + √2?? expand and simplify?~

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sam (.sam.):

-2sqrt(2)(5-sqrt(5))+sqrt(2) Multiply -1 by each term inside the parentheses. -2(5-5)sqrt(2)+sqrt(2) Subtract 5 from 5 to get 0. -2(0)sqrt(2)+sqrt(2) Multiply -2 by each term inside the parentheses. 0sqrt(2)+sqrt(2) Any term with a coefficient of 0 is 0. 0+sqrt(2) Remove the 0 from the polynomial; adding or subtracting 0 does not change the value of the expression. sqrt(2)

OpenStudy (anonymous):

but then whats the answer?

OpenStudy (mertsj):

|dw:1331659681588:dw|

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