Question

Find the product of 5 √2 (3+√ 2) (5+ √ 2)
plz show the working

Answer 1

$5 \sqrt{2} (3 + \sqrt{2} )(5 + \sqrt{2} ) \\ \\ = 5 \sqrt{2} (15 + 5 \sqrt{2} + 3 \sqrt{2} + 2) \\ \\ = 5 \sqrt{2} (17 + 8 \sqrt{2} ) \\ \\ = 85 \sqrt{2} + 80$

Answer 2

Hey ....!!

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$5\sqrt{2}( 3 +\sqrt2 ) ( 5 + \sqrt{2}) \\ \\ 5\sqrt{2} ( 15 + 3\sqrt{2} + 5\sqrt{2}+ 2 ) \\ \\ 5\sqrt{2} ( 17 + 8\sqrt{2} ) \\ \\ 85 \sqrt{2} + 80$

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