SOLUTION: (-7√3)(-4√10) i need to know how to multiply and simplify with the work shown

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Question 626185: (-7√3)(-4√10) i need to know how to multiply and simplify with the work shown
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
(-7√3)(-4√10)
.
%28-7sqrt%283%29%29%28-4sqrt%2810%29%29
%28%28-7%29%2A%28-4%29%29%2Asqrt%283%29sqrt%2810%29
%28%287%29%2A%284%29%29%2Asqrt%283%29sqrt%2810%29
28%2Asqrt%283%29sqrt%2810%29
28%2Asqrt%283%2A10%29
28%2Asqrt%2830%29