Question

1) Efetue as adições e subtrações:

a) 2√7 + 3√7 =
b) 5√11 - 2√11 =
c) 8√3 - 10√3 =
d) 4√5 + 24√5 =
e) 43√5 - 63√5 =
f) √7 + √7 =
g) √10 + √10 =
h) 9√5 + √5 =
i) 3.5√2 – 8.3√2 =
j) 8.3√7 – 13.3√7 =
k) 7√2 - 3√2 +2√2 =
l) 5√3 - 2√3 - 6√3 =
m) 9√5 - √5 + 2√5 =
n) 7√7 - 2√7 - 3√7 =
o) 8. 3√6 - 3√6 – 9. 3√6 =
p) 4√8 + 4√8 – 4. 4√8 =

2) Simplifique os radicais e efetue as operações:

a) √28 - 10√7 =
b) 9√2 + 3√50 =
c) 6√3 + √75 =
d) 2√50 + 6√2 =
e) √98 + 5√18 =
f) 3√98 - 2√50 =
g) 3√8 - 7√50 =
h) 2√32 - 5√18 =

Answer 1

꧁Hey, my demon!꧂

1- A)

$2 \sqrt{7} + 3 \sqrt{7} \\ (2 + 3) \sqrt{7} \\ 5 \sqrt{7}$

B-

$5 \sqrt{11} - 2 \sqrt{11} \\ (5 - 2) \sqrt{11} \\ 3 \sqrt{11}$

C-

$8 \sqrt{3} - 10 \sqrt{3} \\ (8 - 10) \sqrt{3} \\ - 2 \sqrt{3}$

D-

$4 \sqrt{5} + 24 \sqrt{5} \\ (4 + 24) \sqrt{5} \\ 28 \sqrt{5}$

E-

$43 \sqrt{5} - 63 \sqrt{5} \\ (43 - 63) \sqrt{5} \\ - 20 \sqrt{5}$

F-

$\sqrt{7} + \sqrt{7} \\ 1 \sqrt{7} + \sqrt{7} \\ 1 \sqrt{7} + 1 \sqrt{7} \\ (1 + 1) \sqrt{7} \\ 2 \sqrt{7}$

G-

$\sqrt{10 } + \sqrt{10} \\ 1 \sqrt{10} + \sqrt{10} \\ 1 \sqrt{10} + 1 \sqrt{10} \\ (1 + 1) \sqrt{10} \\ 2 \sqrt{10}$

H-

$9 \sqrt{5} + \sqrt{5} \\ 9 \sqrt{5} + 1 \sqrt{5} \\ (9 + 1) \sqrt{5} \\ 10 \sqrt{5}$

I-

$3.5 \sqrt{2} - 8.3 \sqrt{2} \\ (3.5 - 8.3) \sqrt{2} \\ - 4.8 \sqrt{2}$

J-

$8.3 \sqrt{7} - 13 .3 \sqrt{7} \\ (8.3 - 13.3) \sqrt{7} \\ - 5 \sqrt{7}$

K-

$7 \sqrt{2} - 3 \sqrt{2} + 2 \sqrt{2} \\ (7 - 3 + 2) \sqrt{2} \\ 6 \sqrt{2}$

L-

$5 \sqrt{3} - 2 \sqrt{3} - 6 \sqrt{3} \\ (5 - 2 - 6) \sqrt{3} \\ - 3 \sqrt{3}$

M-

$9 \sqrt{5} - \sqrt{5} + 2 \sqrt{5} \\ 9 \sqrt{5} - 1 \sqrt{5} + 2 \sqrt{5} \\ (9 - 1 + 2) \sqrt{5} \\ 10 \sqrt{5}$

N-

$7 \sqrt{7} - 2 \sqrt{7} - 3 \sqrt{7} \\ (7 - 2 - 3) \sqrt{7} \\ 2 \sqrt{7}$

O-

$8 \times 3 \sqrt{6} - 3 \sqrt{6} - 9 \times 3 \sqrt{6} \\ 24 \sqrt{6} - 3 \sqrt{6} - 9 \times 3 \sqrt{6} \\ 24 \sqrt{6} - 3 \sqrt{6} - 27 \sqrt{6} \\ (24 - 3 - 27) \sqrt{6} \\ - 6 \sqrt{6}$

P-

$4 \sqrt{8} + 4 \sqrt{8} - 4 \times 4 \sqrt{8} \\ 8 \sqrt{2} + 4 \sqrt{8} - 4 \times 4 \sqrt{8} \\ 8 \sqrt{2} + 8 \sqrt{2} - 4 \times 4 \sqrt{8} \\ 8 \sqrt{2} + 8 \sqrt{2} - 4 \times 4 \times 2 \sqrt{2} \\ 8 \sqrt{2} + 8 \sqrt{2} - 32 \sqrt{2} \\ (8 + 8 - 32) \sqrt{2} \\ - 16 \sqrt{2}$

2- A)

$\sqrt{28} - 10 \sqrt{7} \\ 2 \sqrt{7} - 10 \sqrt{7} \\ (2 - 10) \sqrt{7} \\ - 8 \sqrt{7}$

Keep loving / hating. Oh yeah!

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Signed: Lohany Queen of hell 彡★

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