Question

simplify: 3 square root of 45 minus 2 square root of 125

Answer 1

\[3\sqrt{45}-2\sqrt{125}\]

Answer 2

and simplify this \[(-27)^{-1/3}\]

Answer 3

\[3\sqrt{9*5}-2\sqrt{25*5}\]

\[3*3\sqrt{5}-2*5\sqrt{5}\]

\[9\sqrt{5}-10\sqrt{5}\]=

\[-1\sqrt{?}\]

Answer 4

thats is suppose to be \[-1\sqrt{5}\]

Answer 5

and have you tried simplifying that other one?

Answer 6

not yet.

Answer 7

can you simplify it?

Answer 8

sure i can

Answer 9

Please and thank you, sir :)

Answer 10

first of all realize that we can write this problem as :
\[1/\sqrt[3]{-27}\]

Answer 11

and answer is -1/3

Answer 12

thank you :)