Question

simplify (2√2 + 3√3) (2√2 - 3√3)​

Answer 1

$(2 \sqrt{2} + 3 \sqrt{3} )(2 \sqrt{2} - 3 \sqrt{3} ) \\ multiplication \: by \: the \: formula \: of \: \\ algabric \: (a {}^{2} - b {}^{2} ) = (a + b)(a - b )\\ (2 \sqrt{2} ) {}^{2} - (3 \sqrt{3} ) {}^{2} \\ 8 - 27 \\ - 19 \: \: \: \: \: \: \: answer \:$

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