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 46882: Multiply the following: (4-sqrt(7) * (3+2sqrt(7)
Click here to see answer by gsmani_iyer(180)

Question 46880: Multiply the following: (4-sqrt(7)) * (3+2sqrt(7))
Click here to see answer by gsmani_iyer(180)

Question 47081: 3. Simplify:
√[121x^12y^16z^6]
I can not figure out the xyz part of this. The square root is 11.
Thanks
Click here to see answer by mathchemprofessor(65)

Question 47069: simplify the expression sqrt 16*a^4*x^2
i got 4 a^2 x but i was told i was wrong.
would it be 4 a^2 |x| ? thank you
Click here to see answer by mathchemprofessor(65)

Question 47284: Simplify the root.

Click here to see answer by checkley71(8403)

Question 47345: 4 square root sign then on inside of sign 81x^4
Click here to see answer by gsmani_iyer(180)

Question 47354: Multiply then simplify
square root of 13* square root of 5
Click here to see answer by Earlsdon(6287)

Question 47355: I need to solve for x in the following equation...
(1-y)^x=.5
Click here to see answer by Nate(3500)

Question 47347: Evaluate, if possible
square root of 4/25
Click here to see answer by mszlmb(115)

Question 47406: Now I am lost...please help me.
Simplify by combining like terms:
63 square root symbol - 2 square root symbol 28 + 5 square root symbol 7
Click here to see answer by elima(1433)

Question 47492: sq root(3x+1)=sq root(x+4) + 1
Click here to see answer by checkley71(8403)

Question 47521: using formula sqrt a/b = sqrt a / sqrt b
simplify
sqrt 10/49
Click here to see answer by stanbon(57219)

Question 47530: find the area of a box with dimensions sqrt 3 + sqrt 5 (length) and sqrt 3 + sqrt 5 (height)
Click here to see answer by stanbon(57219)

Question 47524: simplify by combining like terms
sqrt 63 - 2 sqrt 28 + 5 sqrt 7
Click here to see answer by venugopalramana(3286)

Question 47517: Evaluate, if possible
cube root 8/27
Click here to see answer by checkley71(8403)

Question 47516: evaluate, if possible
sqrt 4/25
Click here to see answer by checkley71(8403)

Question 47529: divide, rationalize the denominator then simplify
6 - sqrt 20 / 2
Click here to see answer by checkley71(8403)

Question 47525: multiply then simplify
sqrt 13 * sqrt 5
Click here to see answer by checkley71(8403)

Question 47638: I need help with this problem and I need all the work shown so I can solve others like it. 2-y / 4+ SQrt(y) (2 minus Y over 4 plus the square root of Y) THANKS!!
Click here to see answer by gsmani_iyer(180)

Question 47722: sqrt of x + 4 = 3
Click here to see answer by aaaaaaaa(138)

Question 47723: sqrt of 4x + 1 + 3 = 0
Click here to see answer by venugopalramana(3286)

Question 47688: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by checkley71(8403)

Question 47724: sqrt of 2y + 7 + 4 = y

Click here to see answer by pizza(14)

Question 47848: Use the square root property to solve the equation.

Click here to see answer by tutorcecilia(2152)

Question 47842: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by tutorcecilia(2152)

Question 47883: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by Nate(3500)

Question 47981: Can you show me how to factor 8x^3-1
Click here to see answer by Earlsdon(6287)

Question 48050: Simplify be rationalizing the denominator sqrt(3x/2y
Click here to see answer by stanbon(57219)

Question 48072: Simplify by first converting to rational exponents. Assume that all variables represent positive numbers.

Click here to see answer by stanbon(57219)

Question 48074: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by stanbon(57219)

Question 48060: find the domain of f(x)=7+ sqrt (3x+21), and express it using interval notation.

Click here to see answer by stanbon(57219)

Question 48239: simplify
sqrt of 7(9 sqrt of 2 - 3 sqrt of 7)

Click here to see answer by stanbon(57219)

Question 48331: I have had a hard time figuring out this problem. Please help. The problem is the square root of 3 divided by the square root of 3 + the square root of 2. I think that the square roots of t3 can cancel out and the answer be 1/square root of two.
Click here to see answer by longjonsilver(2297)

Question 48580: complete the square, and find the roots of the quadratic equation.
x^2 - 2/3x = 0

Click here to see answer by longjonsilver(2297)

Question 48579: factor the quadratic expression completely, and find the roots of the expression.
135x^2 - 222x + 91

6x^2 - 42x + 72

Click here to see answer by stanbon(57219)

Question 48578: apply the quadratic formula to find the roots of the given function, and then graph the function.
f(x) = x^2 + 4

g(x) = x^2 + x + 12

Click here to see answer by venugopalramana(3286)

Question 48578: apply the quadratic formula to find the roots of the given function, and then graph the function.
f(x) = x^2 + 4

g(x) = x^2 + x + 12

Click here to see answer by tutorcecilia(2152)

Question 48822: Is all algebra the same. If it is why are they similar.
Click here to see answer by checkley71(8403)

Question 48903: Solve x2+1/x2 when x = 3+ 8^1/2

Click here to see answer by Nate(3500)

Question 49541: find the pythagorean one of whose member is 10.
Click here to see answer by Juhi(44)

Question 49577: what is

20t=5t^2
Click here to see answer by Osran_Shri(18)

Question 49723: What is the cube root of 56?
Click here to see answer by checkley71(8403)

Question 49781: simplify the radical expression
(sqrt of 3+5)sqrt of 3-3)
Click here to see answer by tutorcecilia(2152)

Question 49775: Please help. Thanks.
solve the following equation. Be sure to check your solution.
sqrt of x+4=3
Click here to see answer by stanbon(57219)

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