Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 818965: (3i^2)(4i^3)
Click here to see answer by ewatrrr(24785)

Question 818956: The question asks to find a quadratic equation whose solutions are +2i and -2i. How do you find this with no other information?
Click here to see answer by TimothyLamb(4379)

Question 819042: [ 2i / (5 + 3i) how do i solve? ]
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Question 802763: How do I right (8+2i)(7-3i)the expression in a+bi form?

Click here to see answer by tommyt3rd(5050)

Question 802865: Maximum revenue
R=80x-0.0005x^2
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Question 819508: 2+3i/1-5i
Click here to see answer by josgarithmetic(39617)

Question 819232: 23
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Question 819968: 7i root 3 + 3i root 27 + root -27
Click here to see answer by ewatrrr(24785)

Question 819959: (3- square root of -50)/15
Click here to see answer by jsmallt9(3758)

Question 819967: i to the twelth power
Click here to see answer by ewatrrr(24785)

Question 820018: [ Simplify: (6+i)/(1+4i) ]
Click here to see answer by TimothyLamb(4379)

Question 820076: 7+3i/2-5i

Click here to see answer by Alan3354(69443)

Question 820179: When I tried to solve this equation by taking the square root < 4x^2 +2 =-7 > I got < plus or minus (3/2)i ~i meaning imaginary number~ > Is there a way to simplify the answer or imaginary number anymore or am I correct?
Click here to see answer by stanbon(75887)

Question 820466: Compute the following and simplify in the form a+bi
3-2i/1+4i
Click here to see answer by stanbon(75887)

Question 820813: 6i+4i=
Click here to see answer by Edwin McCravy(20056)

Question 820961: Write your answer as a complex number in standard form:
4i/-5+2i
Click here to see answer by TimothyLamb(4379)

Question 821045: 2x^2+7x-4=0 by completing the square
Click here to see answer by TimothyLamb(4379)

Question 821507: Find the absolute value of the complex number:
√(11) + i√(5)
If you could explain how to do it that would be great!!
Thanks!!
Click here to see answer by stanbon(75887)

Question 806383: How do I find the sum of 6+7i and it's conjugate?

Click here to see answer by tommyt3rd(5050)

Question 807178: I need help with the problem -5-3i/4i ?

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Question 813158: How do you solve for m and n in the equation: 5+15i=2m+3ni?
Click here to see answer by tommyt3rd(5050)

Question 803245: 1/[(x+1)(x+2i)(x-2i)]
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Question 806016: (3i)(i)(8-8i)
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Question 803178: find value of x and y if,
x/(1+i)+y/(2-i)=2+4i
i want answer urgent with in 5 minutes please......
Click here to see answer by tommyt3rd(5050)

Question 803916: I need help with finding real or imaginary solutions of equations by factoring.
Click here to see answer by tommyt3rd(5050)

Question 822125: How many ordered pairs of positive integers (a,b) satisfy the following equation? 2a + 3b = 2014
Click here to see answer by LinnW(1048)

Question 822481: What is the absolute value? |-3+4i|
Click here to see answer by josgarithmetic(39617)

Question 823441: Divide. -3x^3-2x^2-x-2 by x-2
Click here to see answer by ewatrrr(24785)

Question 823441: Divide. -3x^3-2x^2-x-2 by x-2
Click here to see answer by stanbon(75887)

Question 823427: What is an equation of the line tangent to the graph of x^2+y^2=25 at the point (3,4)?
Click here to see answer by richwmiller(17219)

Question 823519: Which value must be added to the expression x2 + 16x to make it a perfect-square trinomial?

Click here to see answer by jim_thompson5910(35256)

Question 823932: Please help me find the 7 other vertices of regular octagon centred at the origin of z=1. Given z1=2+3i
Click here to see answer by Alan3354(69443)

Question 824039: could anyone help me solve this problem
mr.pandit divided an amount of rs.108000 amongst his daughters and 3 sons.each daughter received thrice the amount as each of the sons.how much amount did each daughter receive?
Click here to see answer by rothauserc(4718)

Question 824272: can anyone help? -->find the zeros of the equation −3x^2+27x^2+1200=0
Click here to see answer by TimothyLamb(4379)

Question 824271: find a quadratic equation with roots -1-4i and -1+4i please help!
Click here to see answer by stanbon(75887)

Question 824365: if a=ilog(2^.5 - 1) then what is the value of logsin a
Click here to see answer by Alan3354(69443)

Question 824636: when x^3-5x^2+4x+5 is divided by x-c, the quotient is x^2-3x-2 and the remainder is 1. find c.
Thanks!
Click here to see answer by richwmiller(17219)

Question 824658: Find the equation of the line which passes through the point of intersection of 5x-3y+2=0 and x+3y+1=0 and is parrallel to 2x+3y+3=0. pleasseee answer
Click here to see answer by TimothyLamb(4379)

Question 825370: what is the equation of a line through the points (9,3)(5,-5)
Click here to see answer by Alan3354(69443)

Question 45763: OK, I need to find out why 3 divided by 4 + Pie/ 2Pie is supposed to be equal to 2/3.
This is a complex fraction. Three (3) is divided by the fraction 4 plus Pie/ 2 x Pie
Click here to see answer by Alan3354(69443)

Question 810894: find real numbers 'a' and 'b' such that the equation is true.
(a+1)+(b+3)i=5+8i
Please help me step by step, it would really help me!
Click here to see answer by tommyt3rd(5050)

Question 819962: Absolute value of -11 + i
Click here to see answer by tommyt3rd(5050)

Question 812211: how do you simplify (5-2i)/(-4+i)
Click here to see answer by tommyt3rd(5050)

Question 826450: divide and express the result in standard form.
3/4+i
Click here to see answer by josgarithmetic(39617)

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