SOLUTION: How do I solve 5 square root 20 + 3 square root 98 - 2 square root 45 + the square root of 1\5.
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Question 144038: How do I solve 5 square root 20 + 3 square root 98 - 2 square root 45 + the square root of 1\5.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
5sqrt(20)+3sqrt(98)-2sqrt(45)+sqrt(1/5)
=5sqrt(5*4)+3sqrt(49*2)-2sqrt(9*5)+1/sqrt(5)
=10sqrt(5)+21sqrt(2)-6sqrt(5)+(1/sqrt(5) * sqrt(5)/sqrt(5))
=21sqrt(2)+4sqrt(5)+ sqrt(5)/5
=21sqrt(2)+ ((20sqrt(5)+sqrt(5))/5)
=
.
Ed
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