Question

\sqrt5 -7\sqrt3 + 4\sqrt5 - 5 \sqrt3" alt="-2 \sqrt5 -7\sqrt3 + 4\sqrt5 - 5 \sqrt3" align="absmiddle" class="latex-formula">

Answer 1

Answer:

$-2+2\sqrt{5}-12\sqrt{3}$

Step-by-step explanation:

$-2-2\sqrt{5}-7\sqrt{3}+4\sqrt{5}-5\sqrt{3}$

Collect like terms

$-2\sqrt{5}+4\sqrt{5}=2\sqrt{5}$

$-7\sqrt{3}-5\sqrt{3}=-12\sqrt{3}$

So $-2+2\sqrt{5}-12\sqrt{3}$