Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

Tutors Answer Your Questions about Radicals (FREE)

Question 730832: (8√(5)+4√(2))(√(5)-8√(2))
Click here to see answer by stanbon(75887)

Question 730850: sqrt 3 x sqrt 16
Click here to see answer by lynnlo(4176)

Question 730935: I need some help on an algebra test. Here is the question:
Simplify. Make sure to rationalize all denominators.
3b[SQRT(27a^5*b)] + 2a[SQRT(3a^3*b3)]

Any help would be greatly appreciated, and if possible, could you show me your steps so I can better understand how it's done?
Click here to see answer by stanbon(75887)

Question 731318: 2 square root of 2x+4 end of square root then minus 5=11
I dont know what to do with the 2 in the front and where to start. thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 731528: solve or x 4x^2-3x+3=0
Click here to see answer by jim_thompson5910(35256)

Question 731549: how would i solve this by the substitution method a=4b
a-b=9
Click here to see answer by Alan3354(69443)

Question 731529: solve for x (3x+2)^2+(3x-2)^2=26
Click here to see answer by unlockmath(1688)

Question 731699: Given 3+i is a root, determine all other roots of f(x)=x^4-2x^3-x^2-38x+130?

Click here to see answer by josgarithmetic(39617)

Question 731757: how to simplify radical term square root 100

Click here to see answer by lynnlo(4176)

Question 731757: how to simplify radical term square root 100

Click here to see answer by lenny460(1073)

Question 731800: Log6 6^9. I have no idea how to even start on this question. Could someone also describe log to me? Thanks so much for your help and time!
Click here to see answer by Alan3354(69443)

Question 731801: √(x+10)=2-x
and
√(x+3)=(x-1)/3
Full step-by-step instructions please
Click here to see answer by josgarithmetic(39617)

Question 731822: Rationalize the denominator. 6/1-sqrt(5)
Click here to see answer by nshah11(47)

Question 731821: Rationalize the denominator. Sqrt(3)+5\sqrt(12)

Click here to see answer by fcabanski(1391)

Question 732132: Describe how to simplify 16 1/2 & √100.
Click here to see answer by Vladdroid(91)

Question 731819: -8 radical 7 minus radical 36 minus 5 radical 63
Click here to see answer by lynnlo(4176)

Question 732218: how do you do √50x√18?
Click here to see answer by lynnlo(4176)

Question 732284: Simplify
Click here to see answer by MathLover1(20849)

Question 732657: how do you solve radical expressions as fractions and with exponents and variables
Click here to see answer by solver91311(24713)

Question 732684: We're supposed to simplify radicals, but I'm confused at what to do.
The equation:
Thank you in advance!
Click here to see answer by MathLover1(20849)

Question 732689: When simplifying radicals like this one:
****The is supposed to be next to the (-2)****
Do you multiply both top and bottom by ?
And how do you multiply with (-2-sqrt(6)}}}
I can get the bottom half just fine, the top is just throwing me off a bit.
Thank you!
Click here to see answer by MathLover1(20849)

Question 732682: We're solving radicals in Algebra, and I'm not sure how to do this problem.

Thanks!
Click here to see answer by josmiceli(19441)

Question 733025: I'm confused as to where to go with this questions. Step by step would be appreciated.
http://i50.tinypic.com/x3ydnb.gif
Click here to see answer by lynnlo(4176)

Question 733470: Hello,
I have four questions. I don't know how to do these problems.
1.) Simplify the expression, assume that x is positive.

(36x^4)^-3/2
2.) Simplify the expression, assume that all variables are positive.
Square root of 108x^7y^8
3.) Simplify the expression, assume that all variables are positive.
Cube root of 54x^9y^8
4.) Simplify the expression, assume that all variables are positive.

Square root of 9yz^2 + Square root of 64yz^2

Click here to see answer by lynnlo(4176)

Question 733552: [7-(3-2(7-5)+5)]+5
Click here to see answer by stanbon(75887)

Question 733555: 7[3-(8x-3)]+4x=0
Click here to see answer by MathLover1(20849)

Question 733581: i dont understand what they are asking. here's the question : using the discriminant tell whether the equation has two solutions,one solution,or no real solution. problem: x^2-5x+6=0......how do i solve this equation?
Click here to see answer by sachi(548)

Question 733780: is there a solution for this problem? problem : x^2-2x-24=0......I dont understand it

Click here to see answer by Edwin McCravy(20055)

Question 734200: how do you simplify (-3 sqrt(-1000))? I am rather confused on how one is suppose to do this.
Click here to see answer by stanbon(75887)

Question 734257: (-3 sqrt(-1000)) Simplify and use absolute-value notation when necessary. I have no idea how to do this. Can someone please help me simplify this and provide and explain the steps to do so, so that I will be able to know what to do on future problems? Thank you, your help is much appreciated
Lea
Click here to see answer by lynnlo(4176)

Question 734216: 11^1/2*11^3
simplify
Click here to see answer by stanbon(75887)

Question 734315: I have been working on equations containing radicals.
I need help on the equations (r(y-9)=(r(y)-1)

Click here to see answer by josgarithmetic(39617)

Question 734488: (√6+3) (√6-1)
Click here to see answer by rothauserc(4718)

Question 734959: I have to find the endpoint and length of a line segment but our teacher didn't teach us endpoint! Could you explain it?
Click here to see answer by josmiceli(19441)

Question 735077: Please help me solve this question.
Let g : N -> {+-cos(x), +-sin(x)} be defined by

a)Find a description of g(n) without using the differential operator.
b)What is the 101st derivative of sinx? That is find g(101).
I have no idea where to start or how to do a). But I think once I have a) it might be easier to understand and work out b). But I thought I would still ask both. Thank you for your assistance in advance.
Click here to see answer by rothauserc(4718)

Question 735306: what is 5the square root of 81q tho the fifth power?

Click here to see answer by Alan3354(69443)

Question 735311: simplify 5square root of 81q to the fifth power

Click here to see answer by Alan3354(69443)

Question 735342: √8+√2=K√2
Click here to see answer by stanbon(75887)

Question 735358: Rationalize 2 divided by 1 minus the square root of 2
Click here to see answer by lynnlo(4176)

Question 735810: you are making a mosic desig on a square table top. Yuo have already covered half of the table top with 150 1 inch square tile pieces.
what are the dimensions of the table top?
what is the measure of the diagonal from one corner to the opposite corner of the table top?
Click here to see answer by stanbon(75887)

Question 736016: radical 3 minus radical 1 over 3
Click here to see answer by stanbon(75887)

Question 736159: I am not sure how to work this problem out. (It asks for me to show my work)
x^5*x^√
Click here to see answer by lynnlo(4176)

Question 736318:
-√12(4 - 2√3) I need step by step help on that problem. I don't know how to distribute with the negative square root of 12 and I would apreaciate the help
Click here to see answer by Edwin McCravy(20055)

Question 736621: I don't understand how to solve this: 12-6(radical sign 9n)=0
Click here to see answer by MathLover1(20849)

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