Question

$(3 + \sqrt{3} )(3 - \sqrt{3} )$
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Answer 1

(3+√3)(3-√3)

(a+b)(a-b)=a²-b²

=(3)²-(√3)²

= 9-3

=6

I Hope it's help you

Answer 2

Answer:

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

=

$9 - 3 \sqrt{3} + 3 \sqrt{3} - 3$

=

$6 - 3 \sqrt{3} + 3 \sqrt{3}$

=

$6$