Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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Algebra: Polynomials, rational expressions and equations

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Question 61814: Instructions: Perform the indicated operations.
What is the solution for (7x^3-2x^2+4x-1)-(9x^3-4x^2+x-3)+(2x^3-2x^2-3x-2)
Click here to see answer by DJ_Sammie(24)

Question 61796This question is from textbook Algebra 1
: can you please help me with this:
thank you!!!This question is from textbook Algebra 1

Click here to see answer by Nate(3495)

Question 61796This question is from textbook Algebra 1
: can you please help me with this:
thank you!!!This question is from textbook Algebra 1

Click here to see answer by joyofmath(189)

Question 58298: I'm stuck on how to solve this one
(2X^3-7X^2-4)/(2X-3)
I set it up in long division and so far i got
(2X-3/2X^3-7X^2-4)
I put x^2 above 7X^2 and i multiplied it making it look like this now
2x^3-7x^2 minus 2x^3-7x^2=4X^2-4. i dont know what to do anymore.

Click here to see answer by ankor@dixie-net.com(6693)

Question 61850: I got one more problem for you all! This one is driving me CRAZY!!
x/5x+10 plus x-3/x+2=7/5
I ended up with -17. Did I do it right?
Your help would be wonderful!
Thanks~
ac
Click here to see answer by ptaylor(1578)

Question 61849: I am having a hard time with this problem!!! HELP PLEASE!!
-3a^2b/35a^5 multiplied by 14a^3b^2/-9b^4
I ended up with a/6....Is this right?
Your help is greatly apprecitated!
Thanks~
ac
Click here to see answer by rchill(405)

Question 61729This question is from textbook

: I would need some help please
Given f(x)=15x^3-4x^2+3x-8 find all possible rational zeros
Thank you for your timeThis question is from textbook

Click here to see answer by venugopalramana(3286)

Question 61780: FOIL is an acronym designed to help multiply binomials.
Can a similar acronym be created (kinda like FOIL) to solve this?
Make up one and show all steps. (only four letters...something I can remember anyway) Thanks
(x+2) times (x2-3x+4)
Click here to see answer by stanbon(26297)

Question 61893: I need some help please
Find all zeros of f(x)=3x^2(x-5)(2x+9)^3(x-4) and their multtiplicatee
thank you
Click here to see answer by funmath(2873)

Question 61921: I need some help please
If f(x)=4X^3-x symmetric with respect to the x-axis, the y- axis, the origin or none of these
thanks for your time
Click here to see answer by stanbon(26297)

Question 61922: having trouble with this problem,
(2t-5)(t-1)=2
my book calls this part of the chapter "solving equations by factoring", if that helps you any.
Click here to see answer by stanbon(26297)

Question 61920: I need some help please
find the domain and range of Y=-3/x+4
than you for your consideration
Click here to see answer by stanbon(26297)

Question 61946: Please help me factor the polynomial 49+112y+64y^2
Click here to see answer by stanbon(26297)

Question 61945: Please help me factor the polynomial 15y^2-y-28
Click here to see answer by stanbon(26297)

Question 61945: Please help me factor the polynomial 15y^2-y-28
Click here to see answer by ankor@dixie-net.com(6693)

Question 61948: Please help!! I am needing to factor the polynomial x^24-y^24.
Click here to see answer by stanbon(26297)

Question 61944: Please help me factor the polynomial 2y^4-13(y^3)z-132(y^2)(z^2)
Click here to see answer by uma(370)

Question 61944: Please help me factor the polynomial 2y^4-13(y^3)z-132(y^2)(z^2)
Click here to see answer by stanbon(26297)

Question 61915: Instructions: Add. Perform indicated operations.
What is the solution for 6x^3-3x^2+4x-2
-6x^3+7x^2-2x-2
Click here to see answer by checkley71(8405)

Question 61937This question is from textbook

: I am lost on this one
anybody help please
given f(x)=3x^2-7x+2 and g(x)=4x-3, find (f-g)(5)
thanks
This question is from textbook

Click here to see answer by stanbon(26297)

Question 61899: Some help Please

given f(x)=3x-7, find f^-1(x)
thank you for your time

Click here to see answer by stanbon(26297)

Question 61918: I need some help please
find the domain and range of Y=-3/x+4
than you for your consideration
Click here to see answer by uma(370)

Question 61914: Instructions: Subtract. Perform the indicated operations.
What is the solution for 7x^4-2x^3-5x^2+4x-1
-3x^4+2x^3-5x^2+7x-2
Click here to see answer by chitra(359)

Question 61910This question is from textbook

: Could you help me with this one please
2-5x x+4
Solve 16^ =64^
16 to the power of 2-5x=64 to power of x+4
thank you for your timeThis question is from textbook

Click here to see answer by chitra(359)

Question 61898: Some help Please

given f(x)=3x-7, find f^-1(x)
thank you for your time

Click here to see answer by chitra(359)

Question 61964: Please help with factoring the polynomial 405x^8+90x^7y+5x^6y^2
Click here to see answer by chitra(359)

Question 61963: Please help with factoring the polynomial 4a^7+48a^6+140a^5
Click here to see answer by chitra(359)

Question 61962: Please help with factoring the polynomial 4a^2+4ab+b^2-9
Click here to see answer by funmath(2873)

Question 61961: Please help with factoring the polynomial 4x^7+4x^5+x^4+x^2.
Click here to see answer by funmath(2873)

Question 61804: how do you find the gcf of polynaimals
Click here to see answer by funmath(2873)

Question 61892: I need some help please
Find all zeros of f(x)=3x^2(x-5)(2x+9)^3(x-4) and their multtiplicatee
thank you
Click here to see answer by Nate(3495)

Question 61613This question is from textbook Algebra
: (x+3/4)(x+3/4)
This question is from textbook Algebra

Click here to see answer by uma(370)

Question 61721: Can you help me please
Find all three zeros of f(x)=x^3-4X^2+13x+50 given that 3+4i is a zero
thank you
Click here to see answer by jai_kos(139)

Question 61822: Instructions: Subtract. Perform the indicated operations.
7x^4-2x^3-5x^2+4x-1
-3x^4+2x^2-5x^2+7x-2
____________________
Click here to see answer by jai_kos(139)

Question 61998: Please help me solve this equation 2t2 – 19 – 6t
Click here to see answer by jai_kos(139)

Question 61997: Please help me solve this equation 2a2 – 4a – 70
Click here to see answer by terbear1963(43)

Question 61997: Please help me solve this equation 2a2 – 4a – 70
Click here to see answer by funmath(2873)

Question 61999: Can you please help me solve this equation 10x4 – 30x3 – 50x – 20
Click here to see answer by Edwin McCravy(2922)

Question 62016: P(x)=x^4-4x^3-4x^2-4x-5 it aks me to find all rational zeros of the polynomial. but i dont really know what te rational numbers are

Click here to see answer by stanbon(26297)

Question 62031: Can you help me out please

solve. 3/(5-3x)<_1
thank you
Click here to see answer by DJ_Sammie(24)

Question 62033This question is from textbook

: ((2x)^-1)^-2/2(y^-1)^-2This question is from textbook

Click here to see answer by Nate(3495)

Question 62032: I need your help please
-5/(3x+2)>_5/x
Thanks for your time
Click here to see answer by Nate(3495)

Question 62015: P(x)=x^3-5x+2 it ask me to find all the real zeros of the polynomial
Click here to see answer by Nate(3495)

Question 61666: The cost c(x) in dollars of producing x calculators is given c(x)=16000+120x and the revenue R(x) is R(x)=700x-x^2/50. Find the profit P(x), where P(x)=R(x)-C(x), when 500 calculators are produced and sold.
Click here to see answer by 303795(562)

Question 62094: I am not sure on how to find the common denomenator correctly for this problem any help would be appreciated.
y/y+1 - 2y/y+2
Click here to see answer by stanbon(26297)

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, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850