Questions on Algebra: Distributive, associative, commutative properties, FOIL answered by real tutors!

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Algebra: Distributive, associative, commutative properties, FOIL

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Question 50866This question is from textbook

: I tried this and came up with the answer . The problem is . Please help I am confused and my teacher is not going to be able to help me in the morning tomorrow.This question is from textbook

Click here to see answer by stanbon(26259)

Question 50905: 2(5x)=(2*5)x
Click here to see answer by sinadone(8)

Question 51156: 2a/3=8+4a
Click here to see answer by stanbon(26259)

Question 51156: 2a/3=8+4a
Click here to see answer by THANApHD(104)

Question 51316: We are supposed to factor completely. The problem is:
4xcubed plus 12xsquared minus 8x equals
I have it factored to 4x(xsquared + 3x - 2) I know it has to factor down to something like, 4x(x+ )(x- )I'm stuck..... Any help would so be appreciated! Thank you
Click here to see answer by checkley71(8405)

Question 51451: We need help!!!
Click here to see answer by music974(43)

Question 51570: Help! I am stuck on an equation. I need to factor:
4y squared + 7y - 2
I amd just really stuck with how to do this. Even anyone could show me the proper way to factor I would be very grateful.
Thank you.
Click here to see answer by checkley71(8405)

Question 51684This question is from textbook Prentice Hall Mathematics Algebra 1
: Please help me with problem. It says to Simplify this expression. And im doing distributive property. (4-z)(-1)This question is from textbook Prentice Hall Mathematics Algebra 1

Click here to see answer by tutorcecilia(2042)

Question 47113: -(10-x)=3(x+4)
Click here to see answer by darq(90)

Question 51786: box method (distributive property)
-2 (x-6)
-2x 12
-2x +12
is this correct?
Click here to see answer by Nate(3495)

Question 51781: what property is b+ -b=0
Click here to see answer by Nate(3495)

Question 51783: what property is b+-b=0
Click here to see answer by Nate(3495)

Question 51856: 3(x+2)-5=2x+7
Click here to see answer by checkley71(8405)

Question 51985: I need help on what step to begin with. I think I'm supposed to distribute, but I'm not sure.
-9 + 8(x + 6)

I want to say that line two should be...
-9+8x+32
am I right?
Click here to see answer by checkley71(8405)

Question 52035: ((a+b)^2)-((a-c)^2) solve to the least common factor.
Click here to see answer by mathchemprofessor(65)

Question 52249: If given the equation: , when does h become 0?
Click here to see answer by rchill(405)

Question 52443: please help me solve the following:
(xy-y)(xy-y)=
(3x-5)(5x+5)=
(ab+c)(ab+c)=
(6x-7)(7x+5)=
Click here to see answer by funmath(2873)

Question 52526: use the distributive law to multiply:
(8l+m+8)6
Click here to see answer by Earlsdon(4898)

Question 52764: Please help me simplify this equation :
Click here to see answer by tutorcecilia(2042)

Question 52727: I have a problem with an equation.
4/z-1 - 2/z+1 the answer is 2z+6/(z-1)(z+1) My question is how do you get that answer?
Any help at all would be very appreciated!
Thank you :o)
Click here to see answer by rchill(405)

Question 52927: -6(a+5b)- 3(-7B-a)=
This is a problem from a worksheet I was given for homework. It did not come from my text book.
Click here to see answer by smartness(7)

Question 52930: I have a question regarding this problem
Need to write an algebraic expression then simplfy indicating the properties used.
This is the problem:
four times the sum of a and b increased by twice the sum of a and 2b
Thanks

Click here to see answer by AnlytcPhil(958)

Question 53034: Could someone help me with this problem?
I need to use the distributive property to remove the parentheses in this expression. Then simplify by combining like terms.
2(3x + 2) + 4
Thanks,
Sher
Click here to see answer by checkley71(8405)

Question 53090: expressions/53089 (2006-09-21 00:55:06): I need to justify each of these step, please help me with this.
5(n+4)+9n= (5n+20)+9n
=5n+(20+9n)
=5n+(9n+20)
=(5n+9n)+20
=(5+9)n+20
=14n+20

Click here to see answer by mathchemprofessor(65)

Question 53088: I have to use the distributive property to simplify these problems, please let me know if these are correct.
98*7= 7(90+8)
9*28 = 9(20+8)
78*8 = (70+8)8
7(2,009) = 7(2,009)
899*5 = (800 +99)5
30*105 = 30(100*5)
8*5-12*5 = 5(5+3)-5(10+2) or 5(8)-5(12)
7*10+7(-3) = 7(10+3)
-4(3)+(-4)(6) = -4(3+6)
6(8) +6(-2) = 6(8+2)
Click here to see answer by consc198(59)

Question 53191: YA I WANNA ASK A QUESTION BUT I CANT FIND THE TITLE OF IT ON HERE.WELL ANYWAYZ UH I WANNA ASK THIS CAUSE I AM SO CONFUSED CAUSE I DONT GET THIS SO CAN YOU PLEASE HELP ME OK HERE IT GOES
THE DIRECTIONS SAY THAT YOU HAVE TO COPY AND COMPLETE THE SOLUTION,JUSTIFY EACH STEP.
5p=7.5
SO CAN YOU PLEASE HELP ME IM SO CONFUSED I DONT UNDERSTAND IT WELL THANX

Click here to see answer by checkley71(8405)

Question 53243: Can someone help me on this problem?
I need to use the distributive property to remove the parentheses in the following expression. I then need to simplify the result if possible.
1/4(20 + 16)
Thanks,
Sher
Click here to see answer by funmath(2873)

Question 53261: Can someone help me on this problem?
I need to add:
2 + (-11) + 14 + (-7)
Thanks,
Lisa
Click here to see answer by funmath(2873)

Question 53260: Can someone help me on this problem?
Which property of the real numbers is illustrated by the following statement?
7 + 8 = 8 + 7
Thanks,
Lisa
Click here to see answer by funmath(2873)

Question 53306: I found the answer and now I am trying to prove but it won't work, please help and thanks again for your services. I truly appreciate it.!!!
Click here to see answer by funmath(2873)

Question 53344: how do you do frequency tables
Click here to see answer by 88chaos88(6)

Question 53161: A NUMBER IS 21/10 MORE THAN ITS RECIPROCAL. FIND THE NUMBER.
DOMAIN (2/5, 3/5, 5/4, 5/2)
Click here to see answer by ankor@dixie-net.com(6691)

Question 53381: I HAVE TRIED THIS SEVERAL DIFFERENT WAYS AND I'M JUST LEARNING ALGEBRA AND I NEED HELP PLEASE!! 3p-1=5(p-1)-2(7-2p)--THANKS MALLORY
Click here to see answer by Nate(3495)

Question 53381: I HAVE TRIED THIS SEVERAL DIFFERENT WAYS AND I'M JUST LEARNING ALGEBRA AND I NEED HELP PLEASE!! 3p-1=5(p-1)-2(7-2p)--THANKS MALLORY
Click here to see answer by funmath(2873)

Question 53588: 1/2x-5/2=-1/2x+19/4

Click here to see answer by stanbon(26259)

Question 53587: 7/2x-1=2x+5
Click here to see answer by stanbon(26259)

Question 53133: 1.)3s+2-5s+8=
2.)4t+5r-6+2t-8r=
3.)-y+3r+2y-6+4y=
Click here to see answer by rchill(405)

Question 53772: Is the following solved correctly?
-2t(t-5tsquared)+(-5tcubed) = -2tsquared+10tcubed+(-5tcubed) = -2tsquared+5tcubed
Click here to see answer by AnlytcPhil(958)

Question 53771: Is the following solved correctly?
-2t(t-5tsquared)+(-5tcubed) = -2tsquared+10tcubed+(-5tcubed) =
-2tsquared+5tcubed
Click here to see answer by AnlytcPhil(958)

Question 53753: the problem is 7x - 3x(x+1), distributive property lesson
one of my kids says the answer is 10x - 3x squared, the other 4x - 3x squared.
we know that -3x(x) gives is -3x squared. the question is the -3x(1) is negative 3x or positive 3x.
does this make sense?

Click here to see answer by stanbon(26259)

Question 52926: How do you use the distributive property?
Click here to see answer by jordan942(2)

Question 54037: 1/3(14x+9) = 11-5(x-3)
Click here to see answer by stanbon(26259)

Question 54084This question is from textbook Beginning Algebra

: Section 3.5
18. (w-1/4)^2This question is from textbook Beginning Algebra

Click here to see answer by funmath(2873)

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