Question

simplify (3+2√3) (3-2√3)​

Answer 1

(3+2√3)(3-2√3)

=(3)²-(2√3)²

=9-13

=-3

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Answer 2

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

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

= $9 - 13$

= -3

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