Question

simplify
(2+√3)(-2-√3)​

Answer 1

Answer:

$(2 + \sqrt{3} )(2 - \sqrt{3} )$

$= {(2)}^{2} - {( \sqrt{3} )}^{2}$

$= 4 - 3$

$= 1$

BY USING,

$(x + y)(x - y) = {x}^{2} - {y}^{2}$

Answer 2

Explanation

by using a²-b²

2²-√3²

4-3

1