#How to simplify?

5 messages · Page 1 of 1 (latest)

plucky tusk
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I'm having a hard time understanding how the top equation was simplified to become the bottom equation. Where did the 5 and 25's go? The squareroot is throwing me off

next saffron
plucky tusk
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ohhh yeah

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thanks, it's always the little tricks i forget that mess me up