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

Algebra ->  Expressions -> Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!      Log On


   



Tutors Answer Your Questions about expressions (FREE)


Question 644192: How do I do this question?
"Expand (4a)^2 - (2a)^2 and simplify you answer as far as possible"?

Click here to see answer by Alan3354(69443) About Me 

Question 644392: 1/2x + 6 =3/4-2x
Click here to see answer by jim_thompson5910(35256) About Me 

Question 644202: 4x-(x-28)+6x-9
Click here to see answer by kekegeter (97) About Me 
Question 644202: 4x-(x-28)+6x-9
Click here to see answer by Alan3354(69443) About Me 

Question 644492: rewrite the following sqrt(x^-1) * sqrt( 81x^-3) using positive exponents only
Click here to see answer by MathLover1(20850) About Me 

Question 644545: (2c+1)(c^2-3c+2)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 644813: (8x+1+x)-(4-x)
Click here to see answer by 10301650(32) About Me 

Question 644858: how do i solve: [(2+3)^3 -4] /2
i tried solving it by:
(5)^3 -4 /2
125-4 /2
121 /2= 60.5

Click here to see answer by Alan3354(69443) About Me 

Question 644895: is 8 * c * 3
8c * 3
or
40c?
why?

Click here to see answer by jim_thompson5910(35256) About Me 

Question 645119: 3t-3=4(t+5)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 646216: simplifiy the expression 310-20/2*5+13
Click here to see answer by stanbon(75887) About Me 

Question 646283: how do you solve equations with the variable on each side
Click here to see answer by solver91311(24713) About Me 

Question 646306: Please evaluate the expression -x^2+4x-20 x=-3
Click here to see answer by solver91311(24713) About Me 

Question 646382: 5. What is the probability of not selecting a Heart if one card is drawn from a standard 52 card deck?
Thank you.

Click here to see answer by solver91311(24713) About Me 

Question 646384: can you solve for m? 7/8m-t=9b
Click here to see answer by solver91311(24713) About Me 

Question 646995: Answer the problem
5/(-4)+6-3-5
What is the solution

Click here to see answer by colliefan(242) About Me 

Question 647018: (1+7)*3
Click here to see answer by colliefan(242) About Me 

Question 647579: 15-(6-4)squared+3(-4)=
Click here to see answer by jim_thompson5910(35256) About Me 

Question 648739: Please help me solve this equation : A loss of 1/3 of an investment of d dollars.
Click here to see answer by josmiceli(19441) About Me 

Question 649110: 4xy^2-4x2y+8y^3 for x = 4 and y = -3
Click here to see answer by MathLover1(20850) About Me 

Question 649169: Evaluate 2m+n for m=7 and n=9
Click here to see answer by MathLover1(20850) About Me 

Question 650569: Solve for y: 2xy+5=4y+8x
Click here to see answer by stanbon(75887) About Me 

Question 650862: what is the awnser to 6-3[2(x+4)-5]
Click here to see answer by rfer(16322) About Me 

Question 651320: 19-2(8-5)-3[9-2(5-1)]
19-2(8-5)-3(7*4)
19-2*3-3*28
lost after this
email: wandabowman@yahoo.com

Click here to see answer by nerdybill(7384) About Me 

Question 651296: 9+3-2+4=6
Click here to see answer by lenny460(1073) About Me 

Question 651558: I NEED HELP IN MATH
Click here to see answer by rfer(16322) About Me 

Question 651781: simplify 2+3+4-(7-2)
Click here to see answer by stanbon(75887) About Me 

Question 651810: evaluate -2w^2+3w-2 when w=-6
Click here to see answer by nerdybill(7384) About Me 

Question 652087: Solve for U, T=2U/E
Click here to see answer by asuar010(338) About Me 

Question 652444: the sum of 2 consecutive even integers is 70. find the larger number. Please help me solve this, I need to the the process
Click here to see answer by nerdybill(7384) About Me 

Question 652507: (a-2) (a+5)

2x-5-2x+3

Click here to see answer by lynnlo(4176) About Me 

Question 652733: how do you solve
-13 is less then -2 + 6M less then or equal to -6

Click here to see answer by DrBeeee(684) About Me 

Question 653049: can you help me with square roots
Click here to see answer by solver91311(24713) About Me 

Question 653072: If f(x) = x^2 - 6x find:
f(a+1)-f(a) =

Click here to see answer by jim_thompson5910(35256) About Me 

Question 653196: i need to solve this problem:(a+2)(a+2)
my answer:a squared+(a2+2a)+2squared=a2squared+2+2+2squared

Click here to see answer by stanbon(75887) About Me 

Question 653505: how can i simplify this 6a(2a+3)-7(1+6a)
Click here to see answer by solver91311(24713) About Me 

Question 654001: I need help remembering how to get rid of the fraction so i can work with whole numbers. example
2/3+4x=3x-4/5

Click here to see answer by solver91311(24713) About Me 
Question 654001: I need help remembering how to get rid of the fraction so i can work with whole numbers. example
2/3+4x=3x-4/5

Click here to see answer by ewatrrr(24785) About Me 

Question 654411: 5/5 / 1/2=
Click here to see answer by lynnlo(4176) About Me 

Question 654610: I need help to find the equation to this senareo: Nancy has 60 feet of fencing to enclose a run for her dog, Daisy. She wants the run to be as twice as long as it is wide. What dimensions should she use for the dog run?
Click here to see answer by checkley79(3341) About Me 

Question 655198: Find the value of I given that p=500, r=0.11, and t=2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 654724: (3x-2y)^2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 655412: 2(x − 3) 2x − 6
Prove, in complete sentences, whether the left expression is equal to the right expression and discuss which property applies.

Click here to see answer by MathLover1(20850) About Me 

Question 655465: Four more than the product of a number and 7 is equal to 3.
Click here to see answer by Alan3354(69443) About Me 

Question 655947: By which property is the equation 1 • 0 • (-1) = 0 true?
A. Identify Property of Multiplication
B. Multiplication Property of Zero
C. Multiplication Property of -1
D. Inverse Property of Addition

Click here to see answer by stanbon(75887) About Me 

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