Question

simplify the expression (√7-√5)(√5-2√7)​

Answer 1

Answer:

heya mate ☺

$( \sqrt{7} - \sqrt{5} )( \sqrt{5} - 2\sqrt{7} ) \\ = \sqrt{35} - 2 \sqrt{49} - \sqrt{25} + 2 \sqrt{35} \\ = \sqrt{35} - 2 \times 7 - 5 + 2 \sqrt{35} \\ = \sqrt{35} - 14 - 5 - 2 \sqrt{35} \\ = - \sqrt{35} - 19$

hope it helps u mate

Answer 2

Answer:

$=\sqrt{35} -14-5-2\sqrt{35} \\=\sqrt{35} -19-2\sqrt{35}\\= \sqrt{35} -19$

Step-by-step explanation: