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Mathematics 14 Online
OpenStudy (anonymous):

simplify (√5+4)(√5-2) A)-3+3√5 B)3+2√5 C)-2+3√5

OpenStudy (anonymous):

do foil method.. are u familiar with that..?

OpenStudy (anonymous):

yes. so would i multiply the √5?

OpenStudy (anonymous):

first multiply sqrt. of 5 to (sqrt. of 5 - 2)

OpenStudy (anonymous):

what do u get?

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