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

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 Algebra: Radicals -- complicated equations involving roots Solvers Lessons Answers archive Quiz In Depth

## Tutors Answer Your Questions about Radicals (FREE)

 Question 91636: a problem on a take home test cube root of 125-xcubed =5-x do i first cube both sides to get rid of the radical or should i solve the radical on the left side if i cube both sides i get 125- 5x to the 3 power. if take the cube root of the left side i get 5ixsquare root of 5 =5-x ihave no idea what to do please help thank you very much! Click here to see answer by ankor@dixie-net.com(15660)

 Question 92074: Given the equation x^3 - 2x^2 + x - 3 = 0, what are the possible rational roots please someone help me? Click here to see answer by jim_thompson5910(28598)

 Question 92843: Simplify by combining like terms sqrt of 63 - 2 sqrt of 28 + 5 sqrt of 7 Thank you - Hope this makes sense Click here to see answer by scott8148(6628)

 Question 92904: 2 over square root of 3 plus the square root of 2. Rationalize the denominator. Mike Click here to see answer by scott8148(6628)

 Question 93108: Simplify: square root of 15x^6 * the square root of 16x^5 I got the answer 4x^5 square root of 15x. Is this correct? Thanks so much!! Click here to see answer by vertciel(183)

 Question 93109: simplify: square root of 20 + the square root of 80 - the square root of 125 I got to this point: (2 square root of 5) + (4 square root of 5) - (5 square root of 5) but I don't remember what to do next. Thanks so much!! Click here to see answer by tutorcecilia(2152)

 Question 93035: √3 - √1/3 answer is 2√3 ___ 3 I need to know how to get the answer. Click here to see answer by bucky(2189)

 Question 93428: please help me simplify this problem and show all work sqrt (-25) simplify Click here to see answer by jim_thompson5910(28598)

 Question 93427: simplify please help me learn this and show all work. -sqrt(3) (sqrt (-3) Click here to see answer by jim_thompson5910(28598)

 Question 93426: sqrt (-36) simplify please help me learn this and show all work. Click here to see answer by jim_thompson5910(28598)

 Question 93425: sqrt (-36) simplify please help me learn this and show all work. Click here to see answer by jim_thompson5910(28598)

 Question 93388: Need help with this - how do you write 9.49 in radical form Don't get??? thanks LLO Click here to see answer by checkley75(3666)

 Question 93478: if f(x)= 2x-3, then compute f(f(f(f(f(f(3)))))) Click here to see answer by Edwin McCravy(8909)

 Question 93442: Square root of 3 over (square root of x minus the square root of 3). Click here to see answer by ankor@dixie-net.com(15660)

 Question 93538: how do u do order of operations correct Click here to see answer by stanbon(57387)

 Question 93983: i think this is the right subject, but i am not sure. if you could help me anyway, that would be awesome. i really hope so, thank you so much. it says rationalize the following... (/x)+2 ------- (/x)-1 (p.s.(/x) means the square root of x) thank you so much! Click here to see answer by jim_thompson5910(28598)

 Question 93986: The question is: For all x > 0 and y > 0, the radical expression or "[ sqrt(x) ] / [ (3) * sqrt(x) - sqrt(y) ]" is equivalent to: The answer is: "[ 3x + sqrt(xy) ] / [9x - y]" How did they get this answer? Click here to see answer by jim_thompson5910(28598)

 Question 94074: I am in need of help Simplify: sqaure root7*square root14 and also evaluate 3 square root 1/64 if possible. Thank you Click here to see answer by Nate(3500)

 Question 94261: Can the square root of 1/64^3 be evaluated? If so, please show me how Click here to see answer by stanbon(57387)

 Question 94322: how do you use a calculator to approximate sqrt 3/5 to the nearest hundredth? Thank you Click here to see answer by checkley71(8403)
 Question 94322: how do you use a calculator to approximate sqrt 3/5 to the nearest hundredth? Thank you Click here to see answer by edjones(7569)

 Question 94371: 2/(3+sqrt5) please help i forgot how to deal with the denominator Click here to see answer by Earlsdon(6287)

 Question 94474: the square root of 16a^3b^2 Click here to see answer by tutorcecilia(2152)

 Question 94473: the square root of 3 over 2 Click here to see answer by checkley71(8403)

 Question 94797: the equation d=1.2 square root h, gives the distance, D, in miles that a person can see to the horizon from a height ,h, in feet. A. solve equation for h, B. a national park peak is 14,255 feet in elevation. How far can you see to the horizon from the top of peak. I am lost on how to solve the equation and then figure out the steps to take to come up with the answer for B. Click here to see answer by ankor@dixie-net.com(15660)

 Question 95312: How do you multiply, add etc radicals and then factor? The prob is (1 + sq root of 3)squared. Please help. Thnx Click here to see answer by jim_thompson5910(28598)

 Question 95409: how do you solve this problem- 8+ the square root of 24 Click here to see answer by checkley71(8403)

 Question 95525: Hello! I have tried working this problem but when I checked my answer it did not work with the problem. Here is the problem: Solve the following equations algebraically: sqrt(2x+3)-sqrt(x+7)=1 Here is my work: I squared both sides to give me 2x+3-x+7=1 Next I added like terms to get x+10=1 I brought over the 1 to give me x=9 I must be doing something wrong. Any help will be appreicated. Click here to see answer by stanbon(57387)

 Question 95593: What square root property is essential to solve any radical equation involving square root? Click here to see answer by stanbon(57387)

 Question 95674: Simplify the radical expression. 3√x8 Click here to see answer by checkley71(8403)

 Question 95682: Simplify the radical expression. ^3RT(x^8) (cube root of X to the eighth power) sorry my question wasn't clear the first time. thanks!! Click here to see answer by stanbon(57387)
 Question 95682: Simplify the radical expression. ^3RT(x^8) (cube root of X to the eighth power) sorry my question wasn't clear the first time. thanks!! Click here to see answer by checkley71(8403)

 Question 95724: I am a bit confused on evaluating a problem with a radical in it: 2^3-[10+4 sqrt[25-9]]+30-17 I'm not sure about how to handle(((10+4 sqrt 25-9))) Do I subtract 9 from 25 then find the sqrt? and I'm not sure what function after the 10+4 Click here to see answer by stanbon(57387)

 Question 96103: How do you solve equations like these? Rules:Simplify but leave in radical form 1.) radical 20a^2 2.) radical 30a^7 3.) 5 radical 250 Please help And thank you Click here to see answer by scott8148(6628)

 Question 96225: Find the time required for an object to fall to the ground from a building that is 1400 ft high. Click here to see answer by stanbon(57387)

 Question 96222: evaluate as possible /(4/25) (radical equation) Click here to see answer by jim_thompson5910(28598)

 Question 96246: Factor: 3y^2 + 10y + 7 Click here to see answer by prabhjyot(164)

 Question 96252: Solve the equation: 3x^2 + 15x + 18 = 0 Click here to see answer by jim_thompson5910(28598)
 Question 96252: Solve the equation: 3x^2 + 15x + 18 = 0 Click here to see answer by prabhjyot(164)

 Question 96250: Solve the equation: y^2 - 2y -24 = 0 Click here to see answer by jim_thompson5910(28598)

 Question 96248: Factor: 9x^2 + 6x + 1 Click here to see answer by jim_thompson5910(28598)

 Question 96244: Factor by Grouping : ax - bx -4a + 4b Click here to see answer by prabhjyot(164)

 Question 96245: Factor: x^3 - 3x^2 -18x Click here to see answer by tutorcecilia(2152)

 Question 96221: evaluate as possible /-121 (radical equation) Click here to see answer by tutorcecilia(2152)

 Question 96304: Hello i was wondering if you could help me simplify Thank you! Click here to see answer by checkley71(8403)

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