Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 638865: Write as a complex number in standard form:
(4-3i)(5+2i)
Click here to see answer by Tatiana_Stebko(1539)

Question 638949: I need help solving this equation. Please and thank you! Help would be very much appreciated!
pi2(407)(0.51) / 10 + 1 / 0.333 � (0.85)^50 + 0.0001 (2^4 � 5^5)
Click here to see answer by KMST(5328)

Question 639203: 40-3x is the numerator. The denominator is 5. Then it says =. Then the numerator is 6x+7. The denominator is 8.
I'm supposed to solve for x.
Click here to see answer by solver91311(24713)

Question 639579: How do you solve; i^49 ?
Click here to see answer by jim_thompson5910(35256)

Question 639725: please help me solve (6i^2+11)(-8i^3+11)
Click here to see answer by DrBeeee(684)

Question 639797: { { { ( 4+i )^2 -8 ( 4+i ) + 7 } } }
Click here to see answer by MathLover1(20849)

Question 640423: (c^3h^3)^-3
Click here to see answer by jim_thompson5910(35256)

Question 640574: what is the sum of 3 and 5
Click here to see answer by jim_thompson5910(35256)

Question 640633: Find each sum or difference. WErite answer in standard form.
(-2+4i)-(-4+4i)
Click here to see answer by jim_thompson5910(35256)

Question 640694: the sum of the digit of a three-place number is 16. if the digit are reversed and the resulting number added to the original number the sum is 1049. if the resulting number is subtracted from the original number the difference is 297. what is the number?
Click here to see answer by ankor@dixie-net.com(22740)

Question 641420: can you explain how to solve : (3-2i)7i ?
Click here to see answer by MathLover1(20849)

Question 641568: Please help me solve -1^40
Click here to see answer by jim_thompson5910(35256)

Question 641814: How do we simplify 3/4 of $80?
Click here to see answer by General_Lee87(58)

Question 641892: A)i need to find f(4) in this equation: f(4)= 1/x-2
B)I need to find f(1) in this equation: f(1)= 1/x-2
Click here to see answer by solver91311(24713)

Question 641898: What is (3i)^4 + 1 in standard form a+bi
Click here to see answer by jim_thompson5910(35256)

Question 641905: What is (3i)^4 + 1 in standard form a+bi
Click here to see answer by DrBeeee(684)

Question 641922: Factor: 48k^4-243
Click here to see answer by solver91311(24713)

Question 642325: 4a^2-b^2
Click here to see answer by MathLover1(20849)

Question 642425: How do you solve 1/2 (m - 4)= 14
Click here to see answer by jim_thompson5910(35256)

Question 642444: 2(b+3)=4b-2
Click here to see answer by jim_thompson5910(35256)

Question 642901: express ( -1 + root(3)i)^10 in a+bi form
Click here to see answer by Alan3354(69443)

Question 642947: find the shortest distance from point P(2,-5,-2) to the line (l) = { x=4+2t y=-4-3t z=5+4t }
Click here to see answer by Edwin McCravy(20054)

Question 643093: Use the order of operations to find 12 when you have 8,5,3,1? please help me ive been trying to figure this out forever
Click here to see answer by stanbon(75887)

Question 643275: I don't understand how to solve this question: At McDonald's, you can order McNuggets in boxes containing 6, 9, or 20 pieces. By ordering two boxes of 6, you can get 12 McNuggets. However you cannot order exactly 12, since no combination of 6, 9, and 20 adds up to 13. What is the greatest # of McNuggets that you CANNOT order? Include a clear explanation of how you solved the problem. Be prepared to defend your response.
Click here to see answer by KMST(5328)

Question 643502: Need help trying to find real solutions of this equation
x^9 = 125x^6
Click here to see answer by josmiceli(19441)

Question 643996: factor completely. 16-81a^4
Click here to see answer by Alan3354(69443)

Question 644156: solve problem -15+c=-2
Click here to see answer by lynnlo(4176)

Question 644159: write the sum or difference in the standard form a+bi and the problem is:
(3+7i)-(-7+i)
Click here to see answer by lynnlo(4176)

Question 644189: Findthe value of ( -6x)3
Click here to see answer by Alan3354(69443)

Question 644220: 5x(x�-4)
Click here to see answer by edjones(8007)

Question 644393: I nees to find the smplified term of Sqrt(-7)/sqrt(63)
Click here to see answer by ankor@dixie-net.com(22740)

Question 645050: 81x^4 = (x − 2)^4
I know 81 can be simplified to 3^4, so I'm at (3x)^4 = (x-2)^4
Where do I go from here?
Click here to see answer by MathTherapy(10549)

Question 645264: What is the simplified answer to (1/(i^-12))?
Click here to see answer by stanbon(75887)

Question 645048: 4x^3 − 20x^2 − 25x + 125 = 0
I started out by trying to factor out an x.
So I'm at x(4x^2 - 20x - 25) +125 = 0
Where do i go from here?
Click here to see answer by kekegeter (97)

Question 645737: (3-4i)-(-3-4i)
Click here to see answer by stanbon(75887)

Question 645737: (3-4i)-(-3-4i)
Click here to see answer by MathLover1(20849)

Question 646176: (2+5i)+(7+6i)
Click here to see answer by ewatrrr(24785)

Question 646884: i have alot of algebra 2 like slope questions and i dont get them what do i do?
Click here to see answer by ankor@dixie-net.com(22740)

Question 647830: 3?3?3?3=10
Click here to see answer by checkley79(3341)

Question 647830: 3?3?3?3=10
Click here to see answer by Edwin McCravy(20054)

Question 648245: X+3=-1
Click here to see answer by showe9(33)

Question 648281: solve for P N=7/6p+34
Click here to see answer by ewatrrr(24785)

Question 648328: (x-3)-2=6-2(x+1)
Click here to see answer by jim_thompson5910(35256)

Question 648328: (x-3)-2=6-2(x+1)
Click here to see answer by checkley79(3341)

Question 648355: 9a = 6a + 24
Click here to see answer by jim_thompson5910(35256)

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