SOLUTION: I am stumped on these two problems. I am not sure how to solve them. simplify.. sqrt 7 x ^ 2 my answer for this is... x sqrt 7x 3 sqrt 486 can this one even be s

Algebra.Com
Question 75719: I am stumped on these two problems. I am not sure how to solve them.
simplify..
sqrt 7 x ^ 2
my answer for this is... x sqrt 7x
3 sqrt 486
can this one even be simplified?
Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
SQRT(7X^2)=SQRT(7*X*X)=XSQRT7
-------------------------------------
3SQRT486=3SQRT(9*9*6)=(3*9)SQRT6=27SQRT6
RELATED QUESTIONS

I am really stuck on these two problems. Can someone please explain to me how to do them? (answered by vleith)
Solve by completing the square. x^2 -14x +49 = 0 I came up with the answer of 7, 7 for... (answered by checkley75)
Simplify {sqrt[3] + sqrt[5]}^2 I am working on these and am totally lost on how to do... (answered by Fombitz)
sqrt(4x-5) = sqrt(x+9) sqrt(x+49) + 7=x Each time that I tried to solve these (answered by stanbon)
How do i go about factoring: sqrt(128) I looked online on how to solve radicals and i... (answered by oscargut)
Rationalize the denominator and simplify. sqrt(6)/4sqrt(3) + sqrt(2) I am having a (answered by rapaljer)
f(x)=1/x^2+3 g(x)= sqrt x^2-2x Find f(-x/2) and g(x+7) Write without parenthesis , (answered by josgarithmetic)
Simplify (2 \/5 + 3 \/7)^2. [[[AKA (2 sqrt 5 + 3 sqrt 7)^2 ]]]] So I am having... (answered by scott8148)
Help! I am stumped. I'm trying to solve this quadratic equation, and I'm not sure if the... (answered by checkley75)