Question

PLEASEEE HELP!!!!........................

Answer 1

In this question you have to multiply and simplify to get answer

$(5-\sqrt{2} )(-3+\sqrt{5})$

Using identity (a + b)(c + d) = ac + ad + bc + bd we can multiply both polynomials

$= (5)(-3) + (5)(\sqrt{5}) + (-\sqrt{2})(-3) + (-\sqrt{2})(\sqrt{5})$

$= -15 + 5\sqrt{5}+ 3\sqrt{2}-\sqrt{2*5}$

$= -15 + 5\sqrt{5}+ 3\sqrt{2}-\sqrt{10}$

Therefore the answer $= -15 + 5\sqrt{5}+ 3\sqrt{2}-\sqrt{10}$

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