Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

Tutors Answer Your Questions about expressions (FREE)

Question 464644: -(b+33)=
Click here to see answer by MathLover1(6638)

Question 464660: Need help with two step algebra problems. -2X- 3 over = 117over5 not sure where 2 start thnk you 4 your time
Click here to see answer by Alan3354(30993)

Question 465013: Rewrite without parentheses and simplify
(2x-4)^2
Click here to see answer by jorel1380(2518)

Question 465013: Rewrite without parentheses and simplify
(2x-4)^2
Click here to see answer by stanbon(57387)

Question 465176: the length of the rectangle is 3 meters more than its width.If the perimeter is 54 meters,what are its dimensions?

Click here to see answer by stanbon(57387)

Question 465173: the length of the rectangle is 3 meters more than its width.If the perimeter is 54 meters,what are its dimensions?

Click here to see answer by stanbon(57387)

Question 464926: Solve -3(x-b)-(3a-2x)=a+b for x
Click here to see answer by sofiyac(695)

Question 464858: (x-5)Divide x^2-11x+30*(x-6)
__________
x^2+7x+12
Multiplying rational expressions simplify results
Click here to see answer by sofiyac(695)

Question 466317: Evaluate 12 over 11 *5 over 8 * (-2 over 9) what is easiet way to solve

Click here to see answer by richard1234(5390)

Question 467141: 3(2y^2-2y+3)-2y(2-y^2)

Click here to see answer by jim_thompson5910(28598)

Question 467486: How do you simplify 16 divided by 4 plus 1?
Click here to see answer by kelsiesmurf(9)

Question 458751: 2x squared minus 11x plus 12

Click here to see answer by kelsiesmurf(9)

Question 467973: Could Someone please help, and show me step by step if possible so that I can complete the next one on my own. Thanks.
Evaluate. Please show all of your work.
-5 ÷ m^2 – 2(m – 2), for m = 1

Click here to see answer by edjones(7569)

Question 468611: The problem I have is: Given the function k described as k(x)= x+2. Then find the answer to k(0). I'm not sure if you multiply or add 0 to 2.
Click here to see answer by jorel1380(2518)

Question 468868: Could someone please help. Thank you so much for all your time and help!
Evaluate -9 ÷ 3x – x2 + 7 for x = -5. Please show all of your work.
Click here to see answer by Earlsdon(6287)

Question 468867: Can someone please help me. Thank You so much!
Simplify. Please show all of your work.
5a2 – 12b2 – 3(a2 – 10b2)

Click here to see answer by rfer(12670)

Question 468863: Could someone please help me with this one, been really struggling with it. Thanks!
Evaluate and, if possible, simplify. 22/-x-11, for x=-11
Click here to see answer by rfer(12670)

Question 468864: Could someone so kindly help me out on this one, would really appreciate it. Thank You!
Simplify. Please show all of your work. 15-2^3/4*7-7
Click here to see answer by Alan3354(30993)

Question 468866: Please someone help so that I can learn to complete the next one on my own. Thanks!
Simplify. Please show all of your work.
-12c + 6c2 – 9c3 + 3(7c + 8c2 – 2c3)

Click here to see answer by rfer(12670)

Question 468891: Could someone so kindly help me out on this one, would really appreciate it. Thank You!
Simplify. Please show all of your work.
(15-2^3)/4*7-7
Click here to see answer by stanbon(57387)

Question 468895: Could someone please help. Thanks so much!!
Simplify. Please show all of your work.
-12c + 6c2 – 9c3 + 3(7c + 8c2 – 2c3)

Click here to see answer by stanbon(57387)

Question 468924: HOW DO YOU SOLVE THE PROBLOM
4-2(4)-6
Click here to see answer by Alan3354(30993)

Question 469009: determine wether -8 is a solution of the equation 6x=18
Click here to see answer by edjones(7569)

Question 469151: 4(2x-3)+5(3x-4)=14
Click here to see answer by Tatiana_Stebko(1326)

Question 469387: x=-13, y=-14, z=-15 when 3x -4y +14z
Click here to see answer by Lexy2ola(5)

Question 469538: Can someone please help. Thanks
Clear fractions or decimals, solve, and check.
(2/3) (7/(8-4x) –(5/8)=3/8
Click here to see answer by Alan3354(30993)

Question 469534: Could someone please help. Thank you.
Solve using the addition and multiplication principles.
15x − 7 ≤ −7

Click here to see answer by Tatiana_Stebko(1326)

Question 469787: If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
Click here to see answer by josmiceli(9697)

Question 469791: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?

Click here to see answer by bucky(2189)

Question 469825: If (ab)/(b - a) = 1 and a does NOT equal b, what is a in terms of b?
A) (b + 1)/b
B) b/(b + 1)
C) (b+1)/(b-1)
D) 1 - (1/b)
E) b/(b-1)
Click here to see answer by bucky(2189)

Question 469823: The sum of (x)/(x^2 - y^2) and (y)/(y^2 - x^2) is
A) xy/x - y
B) x/x - y
C) y/x - y
D) (x + y)/(x - y)
E) 1/(x + y)
Thanks!

Click here to see answer by ewatrrr(10682)

Question 470588: What Is The Quotient Of The Square Of A Number t And 14?
Click here to see answer by jim_thompson5910(28598)

Question 470585: What is the algebraic expresesion for these three question the quoitent of the square of a number t and 14 and the product of 6 and the quanity 2 more than a number x is at least 45 and three times the sum of 4 and number y squared is the same as differnece of 14 and the number y
Click here to see answer by sofiyac(695)

Question 471723:
-2(-2x+8)-(7x+6)-4x+14
I tried this problem and got
4x-16-7x-6-4x+14 does it look right?
Click here to see answer by stanbon(57387)

Question 471722: Find the partial fraction decomposition of the rational expression below.
(-x-37)/(x^2-3x-28)
a.-(4/x-7)-(3/x+4)
b.(3/x-7)+(3/x+4)
c.-(3/x-7)+(3/x+4)
d.(4/x-7)+(3/x+4)
e.-(4/x-7)+(3/x+4)
Click here to see answer by stanbon(57387)

Question 471891: Simplify using PRODUCT rule :
(-2x)³(-2x³)
I got 2 answers. -8x⁵ and 4x⁵
please explain steps!
Click here to see answer by karaoz(32)

Question 472080: 16/y^2-3y+2
How to simplify?
Click here to see answer by Alan3354(30993)

Question 472223: If m doesn't equal 0, which of the following statements could be true?
I. m - n = -(n - m)
II. (-m)^2 = (m^2) - 2m^2
II. m > -m
A) I only
B) II only
C) III only
D) I and III only
E) II and III only
Please explain how I could approach this problem (ie. plugging in numbers, etc?) and why the answer is correct.
Thanks!
Click here to see answer by richard1234(5390)

Question 472889: The dimension in centimeter of rectangular box R is 6 by 8 by 10. Which of the following cannot be total surface area, in square centimeters of two faces of R?
Click here to see answer by Alan3354(30993)

Question 472965: what is the solution to -14b=12
Click here to see answer by jim_thompson5910(28598)

Question 473508: the perimeter of a basketball court is 278. The length is 41 ft longer than the width. find the dimensions of the court.
Click here to see answer by jorel1380(2518)

Question 473520: there were 291 tickets purchased for a major league game. The general admission cost $ 6.50 and the upper reserved tickets cost $ 8.00. The total amount of money was $2202.00. How many of each kind of ticket were purchased?
Click here to see answer by jorel1380(2518)

Question 475128: can someone plss help me?
evaluate the expression if a=2 and b=-3
b^2-2a/ab
Click here to see answer by Alan3354(30993)

Question 474897: multiply
(6a-8)(7a^2+5a-4)
Click here to see answer by robertb(4012)

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