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OpenStudy (anonymous):
How do you simplify (3 times the square root of 5)^2
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OpenStudy (anonymous):
(3 sqrt 5)^2 = 3^2 • sqrt 5^2 = 9 • 5 = 45
OpenStudy (akashdeepdeb):
(3 rt 5)^2 = 3^2 . (rt5)^ 2 Get it! So answer = 9 * 5!!
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