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 76469: Factor 5x^2 - 13 - 6
(5x +2)(x - 3) is this answer correct

Click here to see answer by checkley75(3666)

Question 76468: Solve 2x (x +3) = x + 25
x=5/2 and x=5 is this answer correct.

Click here to see answer by scott8148(3382)

Question 76470: Simplify: (16-x^2)/(x^3 - 2x^2 - 8x)

Click here to see answer by bucky(1732)

Question 76470: Simplify: (16-x^2)/(x^3 - 2x^2 - 8x)

Click here to see answer by chitra(359)

Question 76465: Divide 5x^3 - 5x + 1 by x -3
Do i have the right answer 5x^2-15x-40
Click here to see answer by bucky(1732)

Question 76467: [2x^2 - 5x + 3]/ [3x^2 - 7x +4] divided by [2x^2 + x - 6]/ [3x^2 + 2x - 8]
The answer I got is x +1 / x - 1

Click here to see answer by Cintchr(475)

Question 76666: (5x+y)(5x-y)
Click here to see answer by mathman409(67)

Question 76731: Factor -
5ay+15a-xy-3x
Click here to see answer by jim_thompson5910(13787)

Question 76731: Factor -
5ay+15a-xy-3x
Click here to see answer by Poohbear272(22)

Question 76733: Factor
5ay+15a-xy-3x
Click here to see answer by Poohbear272(22)

Question 76714: Can you please help me with this problem: 5n^2 + 19n - 4
Click here to see answer by jim_thompson5910(13787)

Question 76771: HEIGHT OF A DIVER: a diver jumps from a diving board that is 32 feet above the water. the height of the diver is given by
height = -16( t - 2 )( t + 1 )
where the height is measured in feet, and the time t, is measured in second. when will the diver hit the water? can you see a quick way to find the answer? explain.
PLEASE HELP ME!!! PLEASE!!!

Click here to see answer by Earlsdon(4898)

Question 76766: Factor - x2 - 10x - 56
Click here to see answer by jim_thompson5910(13787)

Question 76764: Factor -
a2 + 4a - 45
Click here to see answer by Poohbear272(22)

Question 76764: Factor -
a2 + 4a - 45
Click here to see answer by jim_thompson5910(13787)

Question 76843: I think i know the answer to the problem, but would like to know how to check it. Maybe you can help.
4(5-2b)+3(2b-10)=7(b+2)
breakdown: 20-8b+6b-30=7b+14
14b+50=7b+14
-7b -7b
7b+50=14
-50 -50
7b/7=-36/7
Distributive property, combine like terms, -50 from both sides. Check this and send me the breakdown check solution. Thank you.
Click here to see answer by funmath(2873)

Question 76865: this is a factoring question. I've tried every multiple possible and CAN NOT GET IT!!! I'm so frustrated. Thank you for help in advance.
Heather
90x( the x is squared to the second)+501x-140
Click here to see answer by jim_thompson5910(13787)

Question 76962: Use the distributive property to remove the parentheses in the following expression. Then simplify your result if possible.
3(x + 4)

Click here to see answer by tutorcecilia(2042)

Question 76951: Use the distributive property to remove the parentheses in the following expression. Then simplify your result if possible.
3(x + 4)

Click here to see answer by avidreader27(9)

Question 76675: Use the distributive property to remove the parentheses in the following expression. Then simplify your result if possible.
3(x + 4)

Click here to see answer by stanbon(26259)

Question 78006: x^2-5x+4,
a^4+a^3+a^2,
3b^2+b+4
Click here to see answer by jim_thompson5910(13787)

Question 78040: how do u break this problem down into (p+ )(p+ )?
p2+19p+18
Click here to see answer by tutorcecilia(2042)

Question 78055This question is from textbook Elementary and Intermediate Algebra
: Area of a parallelogra. Find a trinomial that represents the area of a parallelogram whose base is 3x+2 meters and whose height is 2x+3 meters. This question is from textbook Elementary and Intermediate Algebra

Click here to see answer by jim_thompson5910(13787)

Question 78791: 3(x+2)+5x
Click here to see answer by mathdoc314(58)

Question 78917: Isolate the indicated variable for this formula. f=2.05(V2-V1)+3.75(V2-V1)for V2.
Click here to see answer by mathdoc314(58)

Question 79141: Compute -
23-(-7)-16+(-2)
Click here to see answer by AMANDAE(1)

Question 79261: Factor
3x^2 - 7x - 6
Click here to see answer by checkley75(3666)

Question 79327: I am having trouble figuring out how to work with the fractions. Could you please explain how I would do this to show my work of what w='s. Example of equation
3=4-1/5w
Click here to see answer by chitra(359)

Question 79521: Which property of the real numbers is illustrated by the following statement?
10 • (18 + 3) = 10 • 18 + 10 • 3

Click here to see answer by sprolden(40)

Question 79608: 1 pipe will fill a container in 20 minutes, the second pipe will fill the container in 30 minutes, how long will it take to fill the conatiner with both pipes?
Click here to see answer by stanbon(26259)

Question 80180: I need help with this problem it says to simplify each product and then write in standard form. (x-2)(2x*2x+x+4) I mostly just dont understand what to do and what it all means so if someone could help me it would be highly thankful.
Click here to see answer by sofiyacherni(99)

Question 80263: please help me solve this problem i really need help.
5(y+4)- 3y=4y+12
Click here to see answer by sofiyacherni(99)

Question 80803: what are the factors of the number 2400? and how many are there in total?
Click here to see answer by Edwin McCravy(2920)

Question 81954: Use the properties of addition and multiplication to complete the statement.
16 · (20 · 11) = ( ____ · 20) · 11

Click here to see answer by jim_thompson5910(13787)

Question 83108: i would like a problem solved on each on of the properties, because i don't know one property from the other. this would really help me alot.
for example what property is this:
7(5x+8)=-84
Click here to see answer by funmath(2873)

Question 83106This question is from textbook beginning algebra
: 7(5x+8)=-84This question is from textbook beginning algebra

Click here to see answer by funmath(2873)

Question 83114: 10-(x-2)=15
Click here to see answer by adamchapman(301)

Question 55693: I do understand factorial but not when it is done like this. Can you help me?
Solve for w: (3w+1)!=7!
Click here to see answer by Mona27(45)

Question 83104: seven(five+eight)=eightyfour
Click here to see answer by Abcmath(2)

Question 83825: I am confused about grouping.
x2-11x+28=0
I know (x- )(x+ )
but...which number am I trying to break down? They are not divisible.
Click here to see answer by Edwin McCravy(2920)

Question 84013This question is from textbook
: i really need help on this ? i am a homeschool student if you cant find the book the is ?
55.The community has raised $52,882 for the homeless shelter. if the amount needed for the shelter is $78,650,how much more needs to be collected?
Estimate: Exact:

This question is from textbook

Click here to see answer by checkley75(3666)

Question 84328: (4-t)(-7)=
Click here to see answer by rapaljer(3620)

Question 84629: 5 + (6+ 7) = 5+ (7 + 6) =
Click here to see answer by rapaljer(3620)

Question 84628: 4 * (3+ 2) = (3+ 2)* 4 =
Click here to see answer by rapaljer(3620)

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