How do you simplify (-7 square root of 3)(-4 square root of 10)?

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Answer 1 · 2015-09-15T03:25:00

#28sqrt30#

#(-7sqrt3)(-4sqrt10)#

#-7sqrt3xx-4sqrt10#

Negative times a negative equals a positive.

#7sqrt3xx4sqrt10#

Simplify.

#7xx4sqrt(3xx10)#

Simplify.

#28sqrt30#