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

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Question 385328: (x+y)(x-y)
Click here to see answer by mananth(16946) About Me 

Question 385735: How would you evaluated 3x + 1?
Thanks a bunch....

Click here to see answer by robertb(5830) About Me 

Question 385833: question 1. Solve x2 − 2x − 8 = 0 by graphing. The x intercepts are ? and ?

question2.Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?

Click here to see answer by mananth(16946) About Me 

Question 385856: Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?
Click here to see answer by mananth(16946) About Me 

Question 386115: No idea where to file this under, hopefully someone will be able to help anyway.
x²-6x+9=100 I would appreciate the steps on how to do it, thank you! :)

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 386426: Help me simplify this equation: 19-[10-2(3)-7]
Click here to see answer by rfer(16322) About Me 

Question 386815: write in standard form an equation of the line that passes through the given point and has the given slope (-2,-1),m=3
Click here to see answer by rfer(16322) About Me 

Question 386891: Having problems with this equation, answer is supposed to be 26, here is the problem-
29-{5+3[8*(10-8)]-50}=

Thanks

Click here to see answer by rfer(16322) About Me 

Question 386983: I'm stuck here. How do you determine if the following two expressions are equivelant? justify your answer
f(x)=6x^2 + 7x-3/2x+3 and g(x)=3x(3x+1)-(1+9x^2)

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

Question 387087: first: -2(a+3b)=
second: -2(2x+y)=
third: 2(3a+ab)=
fourth: -5(3a+2b-6c)=
fifth: -(a-3b+x-y)=

Thanks a lot...

Click here to see answer by rfer(16322) About Me 

Question 387449: (+5)-(+2x)(-5)=
Click here to see answer by rfer(16322) About Me 

Question 388111: what is the answer to this problem.
14(y+1)=

Click here to see answer by Dozersflick(1) About Me 
Question 388111: what is the answer to this problem.
14(y+1)=

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

Question 388238: Im trying to multiply and simplifie 58.5 -2....Thank you.
Click here to see answer by Alan3354(69443) About Me 

Question 388237: Im trying to find the answer to the following question and its one of the 4 answers after the question. Im looking for an equivalent expression without parentheses -(4x -8).......The answer is one of these -4x +8....-4x -8....4x -8....32x....Thank you.
Click here to see answer by rapaljer(4671) About Me 

Question 388260: I'm trying to find the cordinates of the y intercept and the x intercept in that order -3x + 2y =6 The 4 answers i have to choose from are. 1.) (-2 -6)(-4 6) 2.) (0 -4)(0-6) 3.) (0 3)(-2 0) 4.) (-4 0)(-6 0) Thank you very much
Click here to see answer by edjones(8007) About Me 

Question 388364: Im trying to solve this equation -5b + 3 = -5 + 10b The 4 choices i have are 1.)8/15 2.)-5/2 3.)-15/8 4.)15/8 Thank you very much.
Click here to see answer by checkley79(3341) About Me 

Question 388671: what is the product of this expression
(a-3b)(2a+2b)

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

Question 389155: (3x = 15 + 6x) What is the value of x?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 389600: Which property of real numbers is illustrated by the following statement?
5x - 9x = (5 - 9)x

Click here to see answer by richard1234(7193) About Me 

Question 389599: Which property of real numbers is illustrated by the following statement?
5x - 9x = (5 - 9)x

Click here to see answer by checkley79(3341) About Me 
Question 389599: Which property of real numbers is illustrated by the following statement?
5x - 9x = (5 - 9)x

Click here to see answer by robertb(5830) About Me 

Question 390013: multiply -7(2a^ -4)
Click here to see answer by MathLover1(20850) About Me 

Question 390081: Solve 2x^3(-3x)^2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 390422: Please help solve this equation %28-3x%5E2%29%5E2
Click here to see answer by richard1234(7193) About Me 

Question 390678: Good evening, I am a high school student just starting from another country Trinidad & Tobago. I need some help with my algebra please. Can someone please assist me? Thank you
7p + q(3 + r), fro p = 3,q =2, and r =1-----------------


Click here to see answer by checkley79(3341) About Me 

Question 391046: 112x9=nx112 n=

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Question 391142: if sally paints a house in 4 hours and john can paint it in 6 hours, how long will it take them to paint the house together. the answer is 2 hours and 24 min but i dont understand how they got it. please break down the problem . thank you
Click here to see answer by mananth(16946) About Me 

Question 391201: Hi my name is jayde, and I have a problem in math. I my worst subject, i like division but that is it I'm 11 years old and i dont know all my times tables but I'm lookin for somebody to tutor me and I'm afraid because I have aims test soon please help me so here's on question its reduce fractions 6 over 9 plese help me im so stuck thank very very very much
Click here to see answer by Alan3354(69443) About Me 

Question 391144: I have a problem with algebra word problems. Please help with this one: at the beach 4 children working separately made 8 sandcastles in an hour.at this rate, hhow many sandcastles can 12 children make in 1/2 an hour.
Click here to see answer by ankor@dixie-net.com(22740) About Me 
Question 391144: I have a problem with algebra word problems. Please help with this one: at the beach 4 children working separately made 8 sandcastles in an hour.at this rate, hhow many sandcastles can 12 children make in 1/2 an hour.
Click here to see answer by scott8148(6628) About Me 

Question 391148: 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 Jk22(389) About Me 

Question 391640: Multiply 7(2z-3y)
Click here to see answer by mananth(16946) About Me 

Question 391739: logbx + logb(x+2)-logb8
assume that x, y amd x are positive numbers. Use the properties of logarithms to write each expression as the logarithm of one quantity

Click here to see answer by stanbon(75887) About Me 
Question 391739: logbx + logb(x+2)-logb8
assume that x, y amd x are positive numbers. Use the properties of logarithms to write each expression as the logarithm of one quantity

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

Question 391953: how many times your height could you move per second if you were a cockroach?


my height is 5'1

Click here to see answer by jerryguo41(197) About Me 

Question 391956: a cockroach that is 1.6 inches long can move 80 inches per second. how many times your height could you move if you were a cockroach? my height is 5'1
Click here to see answer by stanbon(75887) About Me 

Question 391960: a cockroach that is 1.6 inches long can move 80 inches per second. how many times your height could you move if you were a cockroach. my height is 5'1
Click here to see answer by stanbon(75887) About Me 

Question 391949: Perform the indicated operation.

-16-(-14)
_________
-18-(-18)

Click here to see answer by edjones(8007) About Me 

Question 392231: R/8=5
C/20=-6
M/-4=3

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

Question 392785: 10+11x-6x
Click here to see answer by jim_thompson5910(35256) About Me 

Question 392859: (5c+4d)expont2 for c=-3 d=-1
Click here to see answer by jim_thompson5910(35256) About Me 

Question 392908: my son is doing some form of algebra and i dont understand. one of the problems he had was 8x-2=-9+7x the answer is x=-7 could you explain to me how his teacher got that answer.
Click here to see answer by jim_thompson5910(35256) About Me 
Question 392908: my son is doing some form of algebra and i dont understand. one of the problems he had was 8x-2=-9+7x the answer is x=-7 could you explain to me how his teacher got that answer.
Click here to see answer by MathLover1(20850) About Me 

Question 392982: -11-(-5)=
Click here to see answer by jim_thompson5910(35256) About Me 

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