Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 341898: Please solve...I keep getting -4+4√3 and that is not correct. Don't know what step I am missing...?
√-8(√-2+√6)

Click here to see answer by stanbon(75887)

Question 342077: how can i get (7-6i)+(1+8i) in to a+bi form?
Click here to see answer by jim_thompson5910(35256)

Question 342163: 4y+x-3x-6y
Click here to see answer by unlockmath(1688)

Question 342365: what is i/ (4-5i)^2 in standard form
Click here to see answer by Alan3354(69443)

Question 342733: in ax^2+bx+c form, what is 8-2x^2=(x+2)^2-7?
Click here to see answer by user_dude2008(1862)

Question 342743: solutions to the problem 16x^2-64=0
Click here to see answer by jim_thompson5910(35256)

Question 342743: solutions to the problem 16x^2-64=0
Click here to see answer by stanbon(75887)

Question 342746: solutions to the problem 4x^2-8x+3=0
Click here to see answer by jim_thompson5910(35256)

Question 342748: in ax^2+bx+c form whats (2x+1)^2-2x=4
Click here to see answer by Fombitz(32388)

Question 343039: -k^2-(3k-5n)+4n ; k= -1 ; n= -2
Click here to see answer by solver91311(24713)

Question 343261: what is (5 + 2i)/(2-i) in the a + bi form
Click here to see answer by Fombitz(32388)

Question 343181: i need help finding the slope of the line passing through the pointss (2,1),(6,9)?
Click here to see answer by haileytucki(390)

Question 343205: what are the solutions to x^2+4x-12=0
Click here to see answer by haileytucki(390)

Question 343418: How do i figure out how to Perform the indicated operations and write the result in standard form.

Click here to see answer by Fombitz(32388)

Question 344153: If x is a real number and x^64 = 64 and x^32 =32, what is x?
Click here to see answer by Fombitz(32388)

Question 344307: Find the solutions of the equation.
4x^4 + 37x^2 +9 = 0
I need to find both the real and complex solutions!
Thanks!
Click here to see answer by Fombitz(32388)

Question 344327: what does an imaginery number mean?? like in the equation (3+2i)+(5-4i). i dont understand the purpose of the "i".
Click here to see answer by Fombitz(32388)

Question 344305: Find the solutions of the equation.
x^3-125= 0
x^3= 125 x= 5
How can I find the COMPLEX solutions? I believe you have to use the quadratic equation but I'm not really sure how to factor x^3-125.
Thanks!
Click here to see answer by Fombitz(32388)

Question 344401: -3 root -36
Click here to see answer by Theo(13342)

Question 344399: 4 root -64
Click here to see answer by Fombitz(32388)

Question 344397: 3 root -9
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Question 344400: - root -25
Click here to see answer by jsmallt9(3758)

Question 344630: Find the zero of the function: f(x)=12? Thanks
Click here to see answer by Alan3354(69443)

Question 344800: 3x^2-5x+4
I don't understand how to plot this parabola. I end up getting a +- 5 sqrt -23/6 using quadratic formula.
Click here to see answer by ewatrrr(24785)

Question 344827: how too gragh?
Click here to see answer by checkley77(12844)

Question 345555: Evaluate: 5-|a+5b| is a =-12 and b=2
Please show work.
Thank you so much for all of your help!!!
Click here to see answer by solver91311(24713)

Question 345603: Solve the system of equations: first: 4x-2y=2
second: y=-4x-7
Click here to see answer by Fombitz(32388)

Question 345792: what is the quotient of 3 times a number and 4 is at least -16
Click here to see answer by stanbon(75887)

Question 345612: Solve the equations: first: x+3y=5
second: 3x-y=5
Please show work.
Thank you so much for all of your help!!!!
Click here to see answer by ankor@dixie-net.com(22740)

Question 346123: 2+8i/5+i
Click here to see answer by Fombitz(32388)

Question 346366: Solve by completing the square or the quadratic formula
2m^2-10m+16=0
Click here to see answer by edjones(8007)

Question 346400: what does x equal if the problem is: -6( 2x + 8) = -10 (x -3)
Click here to see answer by rfer(16322)

Question 346490: 1/a+1/b=c
solve for a
Click here to see answer by mananth(16946)

Question 346559: 3i/(4-5i)^2
Click here to see answer by Fombitz(32388)

Question 346591: how to solve a complex rational algebraic expression
Click here to see answer by Alan3354(69443)

Question 346606: (7-6i)-(-11-3i)
Click here to see answer by edjones(8007)

Question 346995: estimate 8,932 divided by 4451

Click here to see answer by edjones(8007)

Question 347051: How do you simplify this equation?
How Do You Know What Numbers you should use to go into -125?
sqrt (-125)
Click here to see answer by edjones(8007)

Question 347259: absolute value of 5+3i

Click here to see answer by edjones(8007)

Question 347488: How do I solve x9/2 - 9x5/2=0?

How do I solve 2|3x-8|-17=13?
Click here to see answer by Fombitz(32388)

Question 347715: are rational numbers sometimes real numbers
Click here to see answer by jim_thompson5910(35256)

Question 348522: Evaluate the expression (9-9i)(6+4i) and write the result in the form a+ b i.
Click here to see answer by nyc_function(2741)

Question 348646: V=1/3pir2h
the volume is 18.84 and the height is 8 how do i find the radius?

Click here to see answer by nerdybill(7384)

Question 348691: Suppose Charlie O'Brien Of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5ft. Use the formula to determine how long it takes the ball to return to earth?
Click here to see answer by josmiceli(19441)

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