Question

responda:

(√45)-(√20)

Answer 1

Resposta:

$(√45)-(√20) = 3 \sqrt{5} - 2 \sqrt{5}$

espero que isso ajude vc

Answer 2

Oie, Td Bom?!

$= \sqrt{45} - \sqrt{20}$

$= \sqrt{3 {}^{2} \: . \: 5 } - \sqrt{2 {}^{2} \: . \: 5 }$

$= \sqrt{3 {}^{2} } \sqrt{5} - \sqrt{2 {}^{2} } \sqrt{5}$

$= 3 \sqrt{5} - 2 \sqrt{5}$

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

$= 1 \sqrt{5}$

$= \sqrt{5}$

Att. Makaveli1996