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

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 191803: factor by grouping

z^2+3z+6
Click here to see answer by Mathtut(3670)

Question 191798: factor by grouping

2x+14+xy+7y
Click here to see answer by Mathtut(3670)

Question 191797: factor
2x^2y+18xy-38y
Click here to see answer by Mathtut(3670)

Question 191797: factor
2x^2y+18xy-38y
Click here to see answer by Alan3354(30993)

Question 191804: factor
36x^2+49
Click here to see answer by Mathtut(3670)

Question 191800: factor completely

36x^2+49
Click here to see answer by Alan3354(30993)

Question 191728: Diameter of a circle. If the diameter of a circle is
1.3 _ 10_12 meters, then what is its radius?

Click here to see answer by Alan3354(30993)

Question 191802: factor by grouping

8x^3+13x^2+5x
Click here to see answer by Alan3354(30993)

Question 191819: A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and it's height t seconds after it is tossed is -16t squared+96t feet. The green ball is given an initial velocity of 80 feet per second, and it's height t seconds after it is tossed is -16t squared+80t feet.
Click here to see answer by Alan3354(30993)

Question 191829: Simplify the complex rational expression
3 + 12/x
_________
1 - 16/x^2
Click here to see answer by Alan3354(30993)

Question 191839:
Click here to see answer by jim_thompson5910(28595)

Question 191888: Please assist me in factoring the greatest common factor for
7x^8-35x^7+14x^6
Best regards and thank you!!!
Click here to see answer by Earlsdon(6287)

Question 191887: Please help, I do not understand this equation and can not find a similar one in my notes.
I am supposed to multiply the following-
(b+p)(b^2-bp+p^2)
Click here to see answer by Earlsdon(6287)

Question 191883: Please help:

factor completely 25a^2+64-80a
Click here to see answer by Earlsdon(6287)

Question 191880: I need help again, please help me add:
(2x^2-3xy+y^2)+(-8x^2-8xy-y^2)+(x^2+xy-4Y^2)
Thank you soooooooo much!!!
Click here to see answer by nerdybill(6962)

Question 191928: I need some help with subtracting this polynomial:
(-8c^2+4c+2)-(6c^2+2)
Thank you again!

Click here to see answer by nerdybill(6962)

Question 191927: Please help me to multiply
(-3z)^2(2z^9)^3
You guys are wonderful!
Click here to see answer by Earlsdon(6287)

Question 191927: Please help me to multiply
(-3z)^2(2z^9)^3
You guys are wonderful!
Click here to see answer by stanbon(57377)

Question 191938: #8. x^4 + 5x^2 -36 = 0
I started working this problem and then got confused. If you could help with this. Thanks
Click here to see answer by nerdybill(6962)

Question 191938: #8. x^4 + 5x^2 -36 = 0
I started working this problem and then got confused. If you could help with this. Thanks
Click here to see answer by RAY100(1637)

Question 191897: Simplify √ (32x5y2) that is sqrt (32x5y2)
Click here to see answer by Mathtut(3670)

Question 191955: Identify the polynomial of degree one.
5x+7y+8
Thank You!
Click here to see answer by Alan3354(30993)

Question 191989: Identify the polynomials of degree one.
x^3+2x-10
Would it be 3? kinda confused on this one.
Thanks
Click here to see answer by Mathtut(3670)

Question 191988: Identify the polynomial of degree one.
2x+13x^2
Would the answer be 2?
Thanks!
Click here to see answer by Mathtut(3670)

Question 192001: What is the maximum number of distinct zeros for the polynomial
y= 4x^3 - 25x^2 - 2x +1

Click here to see answer by Alan3354(30993)

Question 191942: Identify the polynomial of degree one. Can someone explain this to me. Thanks!
11y^2-5-4y
Click here to see answer by Alan3354(30993)

Question 192028: 9c^2-121 factor completely. I have no idea where to start.
Click here to see answer by scott8148(6628)

Question 192028: 9c^2-121 factor completely. I have no idea where to start.
Click here to see answer by RAY100(1637)

Question 192006: (5y^4-2y^3+7y-11)+(6-8y-y^2-5y^4)
Click here to see answer by RAY100(1637)

Question 192031: I sent this in earlier, I've now included my work.
Need help. Thanks
(3+sqrt-5)(7-sqrt-10)
(3+sqrt-5)^2(7-sqrt-10)^2=0
(9+5i)(49-10i)=0
441-90i+245i-50i^2=0
441+155i-50(-1)=0
441+155i+50=0
answer 491+155i
a+bi form
Click here to see answer by jim_thompson5910(28595)

Question 191900: Evaluate if possible 3√ - 64 [cube root of -64] and 3√ 64 [cube root of 64] and √ -64 [sqrt(-64)] and √ 64 [sqrt(64) ]
Click here to see answer by Alan3354(30993)

Question 192081: 3x+6/3x-6
Click here to see answer by checkley75(3666)

Question 192121: REDUCE RATIONAL EXPRESSION TO LOWEST TERMS.ASSUME THAT VARIABLES REPRESENTOMLY ONE # FOR WHICH THE DENOMINATORS ARE NONZERO
a^2-b^2/a-b
Click here to see answer by RAY100(1637)

Question 192126: perform indicated operation
-2a^2/3a^2*20a/15a^3
Click here to see answer by RAY100(1637)

Question 192117: REDUCE EXPRESSION TO LOWEST TERMS
-2x-8/x^2+2x-8
Click here to see answer by nerdybill(6962)

Question 192123: PERFORM INDICATED OPERATION
3/a^2+a * 2a+2/6
Click here to see answer by RAY100(1637)

Question 192140: Identify the leading coefficient and degree, and describe the end behavior of f(x)=2x^5+4x^4-x
leading coefficient=2+
degree=5odd
describe the end behavior?
Click here to see answer by RAY100(1637)

Question 192163: Factor.
-14w+2w^2+wz-7z
Click here to see answer by RAY100(1637)

Question 192167: Can you please help me solve this problem?
6-2x=5x-9x+2
Thank you so much; I really appreciate your help!
Click here to see answer by RAY100(1637)

Question 192169: Can you please help me solve this problem?
5/2x+1/4x=7/4+x
Thank you so much; I really appreciate your help!
Click here to see answer by RAY100(1637)

Question 192174: how do you factor x squared minus eight x minus 32?
Click here to see answer by jim_thompson5910(28595)

Question 192115: Reduce expression to lowest terms
4x^2/2x^9
Click here to see answer by checkley75(3666)

Question 192207: Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reach 1 for an answer? You should have. How does this number game work? (Hint: Redo the number game using a variable instead of an actual number and rewrite the problem as one rational expression). How did the number game use the skill of simplifying rational expressions? Create your own number game using the rules of algebra and post it for your classmates to solve. Be sure to think about values that may not work. State whether your number game uses the skill of simplifying rational expressions.
Click here to see answer by solver91311(16897)

Question 192218: Please help me with this question:
15x^2+x-6
Click here to see answer by Mathtut(3670)

Question 192243: I need help on dividing this equation. My answer does not make sence to me. The equation is
2x^2+4 / 2x
My answer is x +2 where did I go wrong? Please help.
Click here to see answer by solver91311(16897)

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, 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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, 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