How do you simplify (-6 + sqrt99) /15?

1 Answer
Alan P.
Sep 7, 2017

(-6+sqrt(99))/15=color(red)((-2+sqrt(11))/5)

Explanation:

(-6+sqrt(99))/15
color(white)("XXX")=(-3 * 2+ sqrt(9) * sqrt(11))/(3 * 5)

color(white)("XXX")=(-3 * 2 + 3 * sqrt(11))/(3 * 5)

color(white)("XXX")=(cancel(3) * (-2+sqrt(11)))/(cancel(3) * 5)

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