SOLUTION: i am asked to multiply (√[3] + 4√[5])(2√[3] – √[5])

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Question 161395: i am asked to multiply

(√[3] + 4√[5])(2√[3] – √[5])
Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
(√[3] + 4√[5])(2√[3] – √[5])
2*3-SQRT15+8SQRT15-4*5
6-20+7SQRT15
-14+7SQR15
7(-2+SQRT15)