Question

WILL GIVE MEDALS

open parentheses 7 minus square root of 54 close parentheses minus open parentheses 5 plus square root of 24


a) 2 minus square root of 78

B) 2 minus square root of 30

C) 2 minus 5 square root of 6

D) 2 minus square root of 6

Answer 1

Lets write it out. \[(7-\sqrt{54})-(5+\sqrt{24})\]

Answer 2

tell me if you lose me.\[(7-\sqrt{9 \times 6})-(5+\sqrt{4 \times 6})\]\[(7-3\sqrt{ 6})-(5+2\sqrt{ 6})\]

Answer 3

ok whats next?

Answer 4

the minus next to the second parenthesis, amkes both numbers in the second parenthesis negative.
\[(7-3\sqrt{6})-(5+2\sqrt{6})~~~~~~~->~~~~~~7-3\sqrt{ 6}-5-2\sqrt{ 6}\]

Answer 5

Add like terms, can you do that or should I ?

Answer 6

i dont know how to combine the square roots, i know that 7-5 is 2

Answer 7

is it five square root of 6?

Answer 8

CLOSE \[2-5\sqrt{6}\]

Answer 9

can u help me with another?

Answer 10

5 fourth root of 7 end root minus 8 cubed root of 7 end root minus 2 fourth root of 7 end root minus cubed root of 7

a) 3 fourth root of 7 end root minus 9 cubed root of 7

b) Negative 6 square root of 14

c) Negative 6 square root of 7

d) 3 fourth root of 14 end root minus 9 cubed root of 14

Answer 11

You subtract
\[7-5~~~=2\]
and
\[-3\sqrt{6}-2\sqrt{6}=(-3-2)\sqrt{6}=-5\sqrt{6}\]

for the question 1.
so the final answer there would be
\[2-5\sqrt{6}\]

Answer 12

okay, i just forgot the 2 :)

Answer 13

\(\Huge{\color{red}{\bigstar}\color{blue}{\bigstar}\color{green}{\bigstar}\color{yellow}{\bigstar}\color{orange}{\bigstar}\color{red}{\bigstar}\color{blue}{\bigstar}\color{green}{\bigstar}\color{yellow}{\bigstar}\color{orange}{\bigstar}\color{red}{\bigstar}\color{blue}{\bigstar}\color{green}{\bigstar}\color{yellow}{\bigstar}}\\\color{white}{.}\\\Huge\sf\color{blue}{~~Welcome~~to ~~~openstudy!~\ddot\smile}\\\color{white}{.}\\\\\Huge{\color{red}{\bigstar}\color{blue}{\bigstar}\color{green}{\bigstar}\color{yellow}{\bigstar}\color{orange}{\bigstar}\color{red}{\bigstar}\color{blue}{\bigstar}\color{green}{\bigstar}\color{yellow}{\bigstar}\color{orange}{\bigstar}\color{red}{\bigstar}\color{blue}{\bigstar}\color{green}{\bigstar}\color{yellow}{\bigstar}}\)

Answer 14

I got disconnected, sorry.

Answer 15

\[\huge\color{blue}{ 5\sqrt[4]{7}-8\sqrt[3]{7}-2\sqrt[4]{7} -\sqrt[3]{7}} \]

Answer 16

I wrote it out,
now lets see the like terms.
\[\huge\color{green}{ 5\sqrt[4]{7}}\huge\color{red}{ -8\sqrt[3]{7}}\huge\color{green}{ -2\sqrt[4]{7}} \huge\color{red}{ -\sqrt[3]{7}} \]

Answer 17

add greens and reds together.

Answer 18

k so a) 3 fourth root of 7 end root minus 9 cubed root of 7

Answer 19

YES!!!!!!!!

Answer 20

Thanks :) im a fan :))

Answer 21

\[^{yw,~~and~~TY}\]

Answer 22

\(\huge\color{blue}{ (•‿•)} \)