How do you simplify $(5+sqrt 3)(4-2sqrt3)$ ?

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Answer 1 · 2018-04-16T03:40:50

$14 - 6sqrt3$

Distribute the parentheses

$5*4 + 5(-2sqrt3) + sqrt(3) * 4 + sqrt(3)(-2sqrt3)$

$20 - 10sqrt3 + 4sqrt3 - 6$

$14 - 6sqrt3$

How do you simplify (5+sqrt 3)(4-2sqrt3)(5+sqrt 3)(4-2sqrt3)?