Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

Tutors Answer Your Questions about Square-cubic-other-roots (FREE)

Question 382368: Solve the equation.
Sqrt(x^2 - 24) = Sqrt(x + 6)
I am lost on this one.
I came up with no solution..not sure if its right.
Click here to see answer by jsmallt9(3296)

Question 382492: Why can't square roots be negative?
Click here to see answer by jsmallt9(3296)

Question 382492: Why can't square roots be negative?
Click here to see answer by richard1234(5390)

Question 382961: Multiply, and simplify if possible.
"V" is a square root
(V7+8)(V7-4)
Click here to see answer by Fombitz(13828)

Question 382964: Multiply, and simplify if possible.

sqrt(7+8) sqrt(7-4)
Click here to see answer by Fombitz(13828)

Question 383083: 4 square root 8
I don't understand how this is simplified into 8 square root 2. Please explain. Thank you!
Click here to see answer by ankor@dixie-net.com(15645)

Question 383421: f(x)=3 square root of x+1
Click here to see answer by Alan3354(30993)

Question 383420: f(x)=square root of x-2
Click here to see answer by solver91311(16872)

Question 383431: Solve the equation.
the square root + 5 = 5
Click here to see answer by Fombitz(13828)

Question 384577: Please help me solve
4-x/x-2=-2/x-2
Click here to see answer by robertb(4012)

Question 384671: (square root of 2x) plus 1 equals x minus three solve for x
Click here to see answer by edjones(7569)

Question 384837: Solve the following for z: sqrt 3x-2y=sqrt z+2
Click here to see answer by stanbon(57282)

Question 385050: Solve for x: √(x+7)=x-5
Click here to see answer by Earlsdon(6287)

Question 385045: Solve for x: x+4=4√(x+1)
Click here to see answer by scott8148(6628)

Question 385215: Simplify:
square root (8xy^4z^3) times square root (2xyz^5)
Click here to see answer by stanbon(57282)

Question 385893: hey i need help simplifying this problem im really confused on how to do it below is a picture of the problem i saved to my computer its a two square roots being multiplied together
http://i51.tinypic.com/30w9r7p.gif
Click here to see answer by mananth(12270)

Question 385849: 3x²+7x+2=
Click here to see answer by robertb(4012)

Question 386014: (square root of 2x + 1) +1 = 7
Click here to see answer by unlockmath(1599)

Question 386271: what is the number beteen 34

Click here to see answer by stanbon(57282)

Question 386369: Two terms of an arithmetic sequence are a9 = 85 and a30 = 295. Find a rule for the nth term.
Click here to see answer by scott8148(6628)

Question 386768: my question is my class is on n-th roots i understand it but it started to get hard how can i get help
Click here to see answer by rapaljer(4667)

Question 386895: Solve the following for x: Square root of 15x-11=x-3
Click here to see answer by robertb(4012)

Question 387677: what is the answer to this question :
the square root of 50 times the square root of 2?
Click here to see answer by rfer(12654)

Question 387677: what is the answer to this question :
the square root of 50 times the square root of 2?
Click here to see answer by rapaljer(4667)

Question 387703: Can someone help me please. I have a hard time doing anything involving square roots.
Solve the equation. Simplify your answer.

Click here to see answer by user_dude2008(1861)

Question 387703: Can someone help me please. I have a hard time doing anything involving square roots.
Solve the equation. Simplify your answer.

Click here to see answer by robertb(4012)

Question 387738: Can someone please help me out:
Subtract by first simplifying each radical and then combining any like radical terms.

I got the answer of
Is that right? If not what is the answer?
Thank you.
Click here to see answer by edjones(7569)

Question 387743: Multiply
(4√(5)-12√(7))*(5√(5)+15√(7))
I honestly don't even know where to start!!
Click here to see answer by Alan3354(30993)

Question 387744: Add. Simplify if possible
(3r)/(r^(2)-25) + (r)/(r-5)
for this I ended up with
r(r+8)/(r-5)(r+5)
is this right???
Click here to see answer by Alan3354(30993)

Question 387818: describe how to simplify each expression.
* 16^1/2
and the square root of 100
Click here to see answer by stanbon(57282)

Question 387935: Multiply:
Type an exact answer, using radicals as needed.
Click here to see answer by Alan3354(30993)

Question 387967: Help me solve this equation add and simplify:
Click here to see answer by jim_thompson5910(28536)

Question 387983: Determine a rule for the nth term of the sequence. Then find a17.
86, 82, 78, 74, 70 ... a17 =?
Click here to see answer by robertb(4012)

Question 387742: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers.
³√27x^8/y³
For this I ended up with
(3x^2/y)³√3x^2
Is this right?
Click here to see answer by jsmallt9(3296)

Question 388280: Simplify the expression. Assume that the variable represents a positive number, so that no absolute symbols are needed.
sqrt18a^3 - a sqrt128a
When I tried, once I got 8 sqrt 2a, and then the next 3a sqrt of 2a
Can you help me?
Click here to see answer by Fombitz(13828)

Question 388444: sqrt98 times 2sqrt 48
Click here to see answer by jsmallt9(3296)

Question 388546: sqrt of 12x to the 7th power x w to the 10th power
Click here to see answer by jim_thompson5910(28536)

Question 388814: what is the complete solution of the squareroot of 78?
Click here to see answer by Alan3354(30993)

Question 388884: simplify the following expression:
(x^3+x^2-x-27)/(x^2-4x+3)
((x^5+x^2+16x-4)/(x^4-16))-(x/3)
Click here to see answer by haileytucki(390)

Question 388808: Can u help me with this question
Express in the form a/b where, a,b is the subset of positive real number, Z.
Click here to see answer by robertb(4012)

Question 388934: can someone please explain to me why
4 sq root 16^3 is equal to 2^3 which is equal to 8
thank you
Click here to see answer by Alan3354(30993)

Question 388976: Rationalize the denominator and simplify
2/5sqrt 2
Click here to see answer by haileytucki(390)

Question 388976: Rationalize the denominator and simplify
2/5sqrt 2
Click here to see answer by stanbon(57282)

Question 388991: i need to find the best way to find square roots of any nmber
Click here to see answer by stanbon(57282)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445