Question

calcule e simplifique as raízes.

A)
$\sqrt{2} + 3 \sqrt{2}$
B)
$5 \sqrt{2} - 2 \sqrt{3}$
C) 25
$25 \sqrt{7} + 15 \sqrt{7}$
D)
$2 \sqrt{6} - 3 \sqrt{6}$
E)
$14 \sqrt{3} - 6 \sqrt{3}$
F)
$25 \sqrt{3} \times 3 \sqrt{3}$
G)
$4 \sqrt{2} \times 5 \sqrt{7}$

Por favor, me ajudem... ;-;
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Answer 1

a) √2 + 3√2 = 4√2

b)5√2 - 2√3 = √(25 *2) - √(3 * 4) = √50 - √12

c)25√7 + 15√7 = 40√7

d)2√6 - 3√6 = -1√6

e)14√3 - 6√3 = 8√3

f)25√3 * 3√3 = 25 * 3 * √3 * √3 = 75 * √9 = 75 * 3 = 225

g)4√2 * 5√7 = 4 * 5 * √2 * √7 = 20√14