what is the answer to (4√(5)-12√(3))(3√(5)+9√(3))

this is a radical expression that needs to be solved with multiplication.
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1 Answer

From FOILing:12(5) +36 sqrt15 -36sqrt15 -108(3)

=60 -324 =-264
by Level 5 User (12.9k points)

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