Question

Me ajudem,moress!❤
$\sqrt140 - \sqrt[]{40} {?}$

Answer 1

Simplificando cada raiz fica:

$\sqrt{140}$ = $\sqrt{ 2^{2}.35 }$ = 2$\sqrt{35}$

$\sqrt{40}$ = $\sqrt{ 2^{2}.10 }$ = 2$\sqrt{10}$

2$\sqrt{35}$ - 2$\sqrt{10}$