Question

Calcule:
A) 3√5 + 6√5=
B) 2³√7 + 8√7=
C) 10√5-2√5=
D) 5√2-3√2+2√2=

Answer 1

Resposta:

Explicação passo-a-passo:

A) $3\sqrt{5} + 6 \sqrt{5} =9\sqrt{25}= 9* 5= 45$

B)$2^{3} \sqrt{7} + 8\sqrt{7} \\8\sqrt{7} +8 \sqrt{7} =16\sqrt{49}= 16*7= 112$

c)$10\sqrt{5} - 2\sqrt{5} = 8\sqrt{25} =8*5=40$

d)$5\sqrt{2} -3\sqrt{2} +2\sqrt{2} = 4\sqrt{6}$