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

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Question 620605: simplify and determine the coefficient of (-2/5*)(5y)(-2*)

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Question 620056: 5n^3+7n
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Question 643154: Please help me solve these equations: 4(x-3y)+2(3x-y)+y, 9(-3x+5y-7(x+6y), and (3x+2y)-(2x-2y)+y. We're using the Distributive Property in school, but these problems are just unsolvable to me.
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Question 635468: 6x+x-9x
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Question 643056: xy+zw=ab+cd ;Solve for d
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Question 638795: 2/3+3y=5y-2/15
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Question 615367: what is the solution to v(u-2)=
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Question 615368: F=z-7,z=18, what is the solution to this prblem
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Question 615272: translate the following phrase into an algebriac expression:
the quutient of the sum of two numbers and twenty

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Question 615371: One-sixth of a number plus one-third of a different number?
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Question 613850: 4/5w+3/5=2w i am confused.

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Question 613456: I have taken the accuplacer test 3 times, needing to obtain a score of 85. I never know where my mistakes are, as it is not disclosed. Therefore, trying to find my mistakes through other avenues. Thank you for your time.
t(t-2)-3t(t-2)=
(I answered)
-2t^2-4t
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Question 638786: 7/8x -1/4 +3/4x =1/16
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Question 613564: 15x-9y
------
x+10 x=7,y=5 evaluate the expression for the given values
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Question 643047: (x-y)+3(z-x)=y^2 ;Solve for x
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Question 642015: Can you help me do this problem please.
(1+t)7
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Question 650672: Hello, how would you add parenthesis to make this true:
3/3+3x3=3/2
?
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Question 613018: (3+10i)^2
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Question 671837: How would I simplify this expression?
x - 46x
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Question 671836: How would i simplify this expression?
7m-m
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Question 671835: How would i simplify this expression?
w +23w
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Question 610743: solve for x
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Question 613011: 5i(-2+i)
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Question 613017: 6-(-2+9i)+(-8+4i)
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Question 611479: if m=7 and n=-5 what is the value of 3m+(m-n)to the 2nd power?

2.which of the following is closest to 10 inches (2.54cm=1inch)
a.4cm c.8cm
c.12cm d.25cm
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Question 610631: factor s^3+18s^2+81s
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Question 608662: find two consecutive even integers such that the smaller added two times the larger gives a sum of 40.
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Question 608163: Can you guys help me on this? please
1. When are we allowed to multiply two terms?
2. When are we allowed to combine like terms?
3. Explain why the following expressions are different. Compare: (x^2)(-2x^2) and x^2-2x^2

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Question 671985: Rewrite 6x + 6y using the distributive property.
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Question 672068: #6. 2(3x-1)= 4(x+2)
#7. 3(x-5)=210

If you solve both of these, I will be extremely happy and I'll finally be able to rest in peace!! These are really hard for me:(
THANK YOU.
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Question 672106: why is 4y-4x equal to 4(x-y)
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Question 672063: #4. 9(x-2)= -81
#5. 2(x+6)= 3(x-1)-15
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Question 612200: Write an equation on slope intercept form for the line passing through each pair of points
(4,7) and (0,3)
(3,-6) and (-1,2)
(8,7) and (0,0)
(1,4 ) and (3,-6)
(-2,5) and (3,9)
(3,-1) and (5,-1)
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Question 608065: 11-16x-12x^2

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Question 641083: How would you simplify this expression: 5z^2+3z+8z^2?
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Question 606939: please help me multiply: [5(a-3)^2]/[25(a^2-9)] * [4(a+3)]/[a^2-a-6]
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Question 606935: (2x^2-3x-9)-(-8x^2+3x-9)
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Question 606493: Factor az-16ay where z is squared and y is squared
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Question 610635: factor check by multiplying x^2-8x
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Question 600307: Determine whether the graph of the given pair of lines are parallel or perpendicular;

4y + 2 = 3x
-3x + 4y = -12

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Question 599743: (9-d)(-3c)
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Question 597957: What is the product of 5 square root u (square root 3+ sqaure root 147)
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Question 650994: (-5a)^2(a^2b)^5
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