Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 733132: Find the complex zeros of each polynomial function. write f in factored form.
f(x)= x^3- 8x^2+ 25x-26
Click here to see answer by tommyt3rd(5050)

Question 739310: Can you help me with this problem; 4(x+2)^2+320=0? I'm having some trouble trying to figure out the answer of this comples number.
Click here to see answer by tommyt3rd(5050)

Question 750190: Standard form
(3-8i) - (5-6i)
*Also...
10i (4+7i)
Click here to see answer by tommyt3rd(5050)

Question 754056: determine whether the integral from 1 to 9 for the function 1/cuberoot(x-9)dx is divergent or convergent. Evaluate if convergent.
Click here to see answer by Edwin McCravy(20055)

Question 748372: (2+3i)/(2+i)
Click here to see answer by tommyt3rd(5050)

Question 754710: How do I solve (x+4)^2=-49 using the square root method?
Click here to see answer by MathLover1(20849)

Question 749772: Q.The variables x and y are related by the differential equation
(x2 + 4)dy/dx = 6xy.
It is given that y = 32 when x = 0. Find an expression for y in terms of x.
The answer is supposed to be: y=0.5(x^2+4)
but i get a different answer... please help soon exam is one day away!#Desperate
Thank you.
Click here to see answer by blueplanet(7)

Question 755056: How do you find out if an equation has real numbers? For example, x^2-9=0, x^2+7=1, 3x-7=14, which one has no real solutions?
Click here to see answer by josmiceli(19441)

Question 755302: Solve the equation √x-5=3.
Click here to see answer by Cromlix(4381)

Question 755300: Solve the equation 3/x+2/9=1/3.
Click here to see answer by tommyt3rd(5050)

Question 756000: How do you simplify i^n ?
Click here to see answer by solver91311(24713)

Question 756831: 1+1/x^2=3/x
Click here to see answer by josgarithmetic(39617)

Question 757422: (3+2i)+(9+i)how to perform operation
Click here to see answer by solver91311(24713)

Question 4028: (x+1)^(-3/2)=8
Solve the complex solution
Click here to see answer by tangled_mind(3)

Question 4028: (x+1)^(-3/2)=8
Solve the complex solution
Click here to see answer by Alan3354(69443)

Question 755744: (21s^4+49s^3-35s^2) / (-7s)
Click here to see answer by tangled_mind(3)

Question 745608: (4+2/x)/(x/3+1/6)
Click here to see answer by tommyt3rd(5050)

Question 731466: Simplify.
(1 + 2/(x + 2))/(1 + 8/(x - 4))
Click here to see answer by tommyt3rd(5050)

Question 725046: conjugate 3+i and 5i and -14+3i and -3-4i
Click here to see answer by tommyt3rd(5050)

Question 725985: simplify (3 - 5i)(4=6i)
Click here to see answer by tommyt3rd(5050)

Question 726024: 4/3-i
Click here to see answer by tommyt3rd(5050)

Question 759226: Find the numbers.
Two less than twice a number divided by five equals four.

Click here to see answer by Cromlix(4381)

Question 759266: Find the numbers.
The sum of three consecutive integers is -123.
Click here to see answer by Alan3354(69443)

Question 759153: Find the numbers.
Two less than twice a number divided by five equals four.
Click here to see answer by Cromlix(4381)

Question 759524: Good evening sir,

please sir help me up with this problem
1 by 3 plus 3i whole cube is the question sir
Click here to see answer by MathLover1(20849)

Question 761533: (square root of 3 - square root of -36)(square root of 3 + square root of negative 36)
Click here to see answer by ramkikk66(644)

Question 761600: What is the square root of -7+8i
Click here to see answer by stanbon(75887)

Question 761852: Perform the operations. Write the result in standard form.
-[(3x^2)+2x]+(1-5x)
Click here to see answer by tanjo3(60)

Question 761852: Perform the operations. Write the result in standard form.
-[(3x^2)+2x]+(1-5x)
Click here to see answer by rfer(16322)

Question 760047: If 3x + (y-2)i = (5-2x) + (3y-8)i, then (x, y) is?
Another one: If (x + iy)2 = 3+4i, then (x, y) is?
How am I supposed to proceed?
Click here to see answer by blueplanet(7)

Question 762012: find the complex zeros of the following polynomial. Write f in factored form.
f(x)=x^4+x^3+7x^2+9x-18
Click here to see answer by lwsshak3(11628)

Question 762670: I need your help, how do I graph 4+2i ?
Click here to see answer by josmiceli(19441)

Question 762669: I need your help on solving this, "Express sqrt -40 in terms of i.
Click here to see answer by josmiceli(19441)

Question 762668: I need help on finding the zeros to this function.... f(x)=x^2+6x+18
Click here to see answer by rothauserc(4718)

Question 762782: how to solve i^15 step by step
Click here to see answer by jim_thompson5910(35256)

Question 763304: (sqrt(8) - 3)(sqrt(8) + 4)
Click here to see answer by algebrahouse.com(1659)

Question 763714: seven time the product of two numbers x and y less 5 divide by three times the number z

Click here to see answer by tommyt3rd(5050)

Question 763764: how do u solve a conjugate equation such as 3/(sqrt(2)-5i or 3-i/2-i
Click here to see answer by Alan3354(69443)

Question 764074: In the complex number system, solve 4x^2-2x+4=0
I am confused about the " solve using the complex number system", if I use the quadratic formula I get No real Solution, 1 +- (Square root of -60) over 4. I appreciate your help
Click here to see answer by solver91311(24713)

Question 764081: what is -(-3) to the 3 power
Click here to see answer by rfer(16322)

Question 764461: If 2 − i is a root of 3x^3 − 11x^2 + 11x + 5, then what are its other roots?
A. -5, -3/3, -1,-1/3/ 1/3, 1,5/3,5
B. 2+i and 0
C. 2+i and 5/3
D. 2+i and -1/3
Click here to see answer by barunjha(4)

Question 764627: Find the real numbers x and y that make the equation true.
5 + yi = x + 3i

Click here to see answer by DrBeeee(684)

Question 764636: Write the product in standard form.
( 9 + 5i)( 9 + 8i)
Click here to see answer by MathLover1(20849)

Question 764636: Write the product in standard form.
( 9 + 5i)( 9 + 8i)
Click here to see answer by DrBeeee(684)

Question 764709: Find the absolute value of the complex number 4 + 4i
Find the absolute value of the complex number -3 - 6i
Find the absolute value of the complex number 5 - 4i.

Click here to see answer by stanbon(75887)

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, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380