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I need help with radicals :(
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\[(3\sqrt{2} + \sqrt{3})(\sqrt{2} - 5\sqrt{3})\]
aren't they wanted by the FBI and CIA?
ok... i guess not funny... Let's just FOIL it out...
okay
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F (first): 3sqrt2 * sqrt2 = 3*2 = 6 O (outside): 3sqrt2 * -5sqrt3 = -15sqrt6 I (inside): sqrt3 * sqrt2 = sqrt6 L (last): sqrt3 * -5sqrt3 = -5*3 = -15
okay
now add those all up... 6 - 15 - 15sqrt6 + sqrt6 = -9 - 14sqrt6
okay thank so much
yw...
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