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

Tutors Answer Your Questions about Radicals (FREE)

Question 376277: x^2+6x-4=0
Please help me solve?
x^2+6x-4=0
---
Use Quadratic Formula:
x = [-6 +- sqrt(36-4*1*-4)]/2
----
x = [-6 +- sqrt(52)]/2
---
x = [-6 +- 2sqrt(13)]/2
---
x = [-3 +- sqrt(13)]
Click here to see answer by juicebae(1)

Question 376510: how do i simplify ? its not a perfect square and im confused on how to do this?
Click here to see answer by Alan3354(30983)

Question 376531: √5x-1 = 10
Click here to see answer by edjones(7569)

Question 376607: Write the following expression in simplified radical form
sqrt75s^5t^10
Assume that all variables represent positives real numbers
Click here to see answer by jim_thompson5910(28504)

Question 376623: Simplify
5 sqrt 12 + sqrt 75
Click here to see answer by jim_thompson5910(28504)

Question 376655: Please help with the following?
Use rational exponents to simplify
∛(x^9 )

Click here to see answer by jim_thompson5910(28504)

Question 376656: Please help with the following?
Express using a positive exponent.
y^-4
Click here to see answer by jim_thompson5910(28504)

Question 376656: Please help with the following?
Express using a positive exponent.
y^-4
Click here to see answer by mananth(12270)

Question 376657: Please help with the following?
Find the following:
√(12&〖(-8)〗^12 )
Click here to see answer by jim_thompson5910(28504)

Question 376588: During the first part of a trip, a canoeist travels 71 miles at a certain speed. The canoeist travels 12 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 5 hours. What was the speed on EACH part of the trip?
Click here to see answer by ankor@dixie-net.com(15638)

Question 376584: 4√160= simplify
Click here to see answer by Fombitz(13828)

Question 376685: Find two numbers that differ by 6 and whose square roots differ by 1.
Click here to see answer by solver91311(16868)

Question 376836: Please help with the following?
Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. Simplify. type an exact answer, using radicals as needed.
(√c-√d)/(√c+√d)

Click here to see answer by ankor@dixie-net.com(15638)

Question 377561: Factor
√(a^2-b^2)
Click here to see answer by Fombitz(13828)

Question 377559: √(a^2-b^2)
Click here to see answer by Alan3354(30983)

Question 378085: Simplify.
12 - 3√17 / 4 - √17
Click here to see answer by mananth(12270)

Question 378083: 12 - 3√17 / 4 - √17
Click here to see answer by mananth(12270)

Question 378084: Simplify.
4√3 - 1 / 2√3 + 2
Click here to see answer by jsmallt9(3296)

Question 378722: x^2 +10x-4=0

Click here to see answer by jim_thompson5910(28504)

Question 378965: Please simplify and express in simplest radical form ,Do not use a table or calculator.
square root 2 + square root 2/9
Click here to see answer by Fombitz(13828)

Question 378967: I need to rationalize the denominator and assume all variables represent positive real numbers: 23/the square root of 3x
Click here to see answer by Fombitz(13828)

Question 378976: Please solve.
If one side of a right triangle is 12 and its hypotenuse is 15,what is the lentgh of the other side?
Click here to see answer by Fombitz(13828)

Question 379018: Simplify by factoring: sqrt(x^18)
Click here to see answer by Fombitz(13828)

Question 379021: Solve for y:
Click here to see answer by Fombitz(13828)

Question 379019: simplify by factoring: sqrt(20x^2)
Click here to see answer by ewatrrr(10682)

Question 379022: solve for x:
Click here to see answer by Fombitz(13828)

Question 379025: Solve for x:
Click here to see answer by ewatrrr(10682)

Question 378971: Please simplify.express in simplest radical form.Do not use a calculator or table
3 square root 2 + 5 square root 2
Click here to see answer by Fombitz(13828)

Question 379634: Simplify: √(x^2+2x+1)
sqrt goes over the whole problem
Click here to see answer by Fombitz(13828)

Question 379669: 6x^2 - 49x + 42
Click here to see answer by Alan3354(30983)

Question 379691: An inlet pipe can fill a tank in 8 minutes. A drain can empty the tank in 12 mintes. If the tank is empty and both the pipe and drain are open, how long will it take before the tank overflows? Thanks!

Click here to see answer by edjones(7569)

Question 380024: sqrt(x^2+2x+1)
Click here to see answer by Earlsdon(6287)

Question 380025:
Click here to see answer by Fombitz(13828)

Question 380547: how to solve
sqrt 75 + 5 sqrt 12
Click here to see answer by stanbon(57246)

Question 380563: please help me with the following algebra problem: 1/sqrt of x = sqrt of 2/2
Could you also show me the work because only the answer would get my knowledge no where, Thanks.
Click here to see answer by stanbon(57246)

Question 380559: 2 radical 5 = 3 radical x
Click here to see answer by ewatrrr(10682)

Question 380900: 1/square root of 3
Click here to see answer by nerdybill(6950)

Question 381368: how do i set up this problem algebrailcally?
An elevator left the 26th floor of a building and went up 8 floors, then down 12, and back up4. On what floor was the elevator then?

Click here to see answer by richard1234(5390)

Question 381312: A page for a journal contains 80 square inches of type written words. The height of a page is twice the width. If the Margin around the type is to be 2 inches uniformly, what are the dimensions of a page? Please include work. This will help me to break down the lesson and complete the remainder of my work. Thanks so much!!!
Click here to see answer by edjones(7569)

Question 381383: Multiply
square root of 5(4square root 2 - 6 square root 4)
also
(4 square root of 7 - 8 square root of 2) (5 square root 7 + 10 square root 2
I have tried these problems several times.. could someone show me step by step how to do this.
Click here to see answer by edjones(7569)

Question 382219: which expression is equivalent to radical form of m^2.5
Click here to see answer by Alan3354(30983)

Question 382318: i NEED HELP...SOLVE THE EQUATION
√Q+5 = 5....
Not sure how to get to the solution.
Click here to see answer by solver91311(16868)

Question 382923: please help me simplify this radical √90
Click here to see answer by nerdybill(6950)

Question 382931: ^3√250 the answer is 5^√2 but how??
Click here to see answer by stanbon(57246)

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