Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 410318: y + 12 when y = 29
Click here to see answer by d35tiny0(2)

Question 410931: 8/(5+i)
(Simplify your answer. Type your answer in the form a+bi. Use intergers or fractions for any numbers in the expression)
Click here to see answer by josmiceli(19441)

Question 411386: Find the product of 2+7i and its conjugate. The answer is a+bi
Click here to see answer by Alan3354(69443)

Question 411675: How do you solve this equation over the complex numbers?
2t^2-2sqrt( 2 ) t+1=0
Click here to see answer by ankor@dixie-net.com(22740)

Question 412531: Simplify
1. square root 32x to the 5th y to the 6th my answer is 2x squared y cubed square root 8x cubed I am confused about the x part
2. square root(576x to the 4th y cubed)(32xy squared z) just need it worked out

3. 4square root 3 - square root 3/6 I think the answer is 2/3 but I can't cancel out the square roots can I?
Rationalize the denominator:
4. 8+7i/9i I can get to -72i-63i squared/-81 i squared but don't know what to do now!

Click here to see answer by solver91311(24713)

Question 412633: can you simplify this question
Click here to see answer by jjordan95(63)

Question 412648: Simplify
4square root 3 - square root 3/6 I think the answer is 2/3 but I can't cancel out the square roots can I?
Click here to see answer by josmiceli(19441)

Question 412771: What is the square root of 15 devided by the square root of 16?
Click here to see answer by solver91311(24713)

Question 412771: What is the square root of 15 devided by the square root of 16?
Click here to see answer by edjones(8007)

Question 413056: (-1- square root 7i) and (-1+square root 7i)
[x+1 square root 7i][x+1- square root 7i] need help going the rest of the way
Click here to see answer by josmiceli(19441)

Question 413209: 4square root 3 - square root 3/6 I think the answer is 2/3 but I can't cancel out the square roots can I?
Click here to see answer by richard1234(7193)

Question 413608: (-1- square root 7i) and (-1+square root 7i)
Click here to see answer by jsmallt9(3758)

Question 414147: How do you solve for x and y in this equation?
(1/2x+2)+(3y-2)i=4-7i

Click here to see answer by Alan3354(69443)

Question 415954: how do you find the complex zeros of f(x)=x^3-8x^2+25x-26?
Click here to see answer by lwsshak3(11628)

Question 416594: how do you find the number of complex roots in a equation such as
Click here to see answer by richard1234(7193)

Question 417393: Differentiation question: y=(1+5x)^3. Find dy/dx
Click here to see answer by htmentor(1343)

Question 417500: (x+6)(x-19)(x+1)=0 what are the x's???
Click here to see answer by stanbon(75887)

Question 417500: (x+6)(x-19)(x+1)=0 what are the x's???
Click here to see answer by ewatrrr(24785)

Question 417503: z^4+8z^3-9^z^2=0
Click here to see answer by stanbon(75887)

Question 417505: the product of the page numbers of two facing pages is 600 what are the two facing pages numberS?
Click here to see answer by stanbon(75887)

Question 417499: x^2+7^x+12=0 what is the x'S
Click here to see answer by sudhanshu_kmr(1152)

Question 417499: x^2+7^x+12=0 what is the x'S
Click here to see answer by ewatrrr(24785)

Question 417497: 3x(x+1)(x-5)=0 what is the x's?
Click here to see answer by sudhanshu_kmr(1152)

Question 417495: x(x+11)=0
Click here to see answer by ewatrrr(24785)

Question 417504: the area of a square is 45 more than the perimeter. find the length of a side :)
Click here to see answer by stanbon(75887)

Question 417504: the area of a square is 45 more than the perimeter. find the length of a side :)
Click here to see answer by ewatrrr(24785)

Question 417501: c(3^c+16)=0
Click here to see answer by stanbon(75887)

Question 417558: In the formula R=0.4x-0.0001x^2. What is the Vertex and can you show me how you got it.
Click here to see answer by nerdybill(7384)

Question 417471: This is a differentiation problem. If you can help, thank you.
f(x)=1/2(e^x+e^-x. Find f'(x)and f''(x)

Click here to see answer by Gogonati(855)

Question 417606: Find the x-intercepts of the formula R=0.4x-0.0001x^2
Click here to see answer by josmiceli(19441)

Question 417878: In this equation, h=-16t^2+20t+300, can you help me make tables of values for the height equation, with increments of 0.5 seconds. And can you show me how you got that
Click here to see answer by ankor@dixie-net.com(22740)

Question 418053: how do i simplify the square root of negative 64 X to the 4th power?
Click here to see answer by stanbon(75887)

Question 418197: I am working on expressing negative square roots in terms of j. For example: I have 4* the square root of -8 when i put it in the calculator it comes up 11.313j but the back of the book says 8j* square root of 2. If i put that into the calculator i get the same answer as i was getting before. 11.313j. I don't know how to get the answer in the back of the book.
Click here to see answer by nerdybill(7384)

Question 418232: how do I find the vertex for X^2-3x-4=0?
Click here to see answer by ewatrrr(24785)

Question 418948: Solve by completing the square
x^2+9x+20=0 and can you show me how you got that
Click here to see answer by scott8148(6628)

Question 419162: Please help me solve this equation: -3-17i
Click here to see answer by richard1234(7193)

Question 419555: Simplify the rational expression.
(81x + 18) / (18x - 9)
Click here to see answer by algebrahouse.com(1659)

Question 419567: Simplify the rational expression.
(a^2 + 13a + 40) / (a^2 - 4a - 45)
Click here to see answer by algebrahouse.com(1659)

Question 419912: (6+5i) (6-5i)
Click here to see answer by MathLover1(20849)

Question 420086: I have the problem (3y^2-3)/(y^2-1) it is a fraction. Can I simplify the fraction by crossing out the y^2 and end up with (3-3)/(-1) and simplify to get (0)/(-1) If not then how do i simplify the fraction?
Click here to see answer by stanbon(75887)

Question 420088: Need step by step help to solve this problem
9x (2nd power) -6x+1
Thank you
Click here to see answer by stanbon(75887)

Question 420174: Find the least common multiple of each pair of polynomials.
3x(x+2) and 6x(2x-3)
I think the LCM is 6x but i'm not sure.
Please show work so I know how you got your answer.
Thanks
Click here to see answer by stanbon(75887)

Question 420220: what is a factor of 3a^2 + 12a?
3a
4a
3a^2
4a^2
Click here to see answer by edjones(8007)

Question 420231: Find the value of a
1/a = 1/3 + 1/4 + 1/6
Click here to see answer by edjones(8007)

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