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

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Question 336030: multiply
(-5x^2+4y)(5x^2+5y+z)
a. -25x^4-5x^2y^2+20y^2
b. -25x^2-5xy-5x^2z+20y^2+4z
c. -25x^4-5x^2y+20y^4-5x^2yz
d. -25x^4-5x^2y-5x^2z+20^2+4yz
^means to the power of....thanks
Click here to see answer by jim_thompson5910(35256)

Question 336050: 12t2+3t+3t2-t
Click here to see answer by mananth(16946)

Question 336163: please help me solve: 4x^2+24x+9 i need to be able to factor it can you help?

Click here to see answer by jim_thompson5910(35256)

Question 336315: pls help me solve this question 6*(9/3)=2a , 15(3/b)=45/b , (c-3)+3=c ,
(a+b)-c=a+(b-c) , 7a+(4+5a)=12a+4 pls answer this thank u!
Click here to see answer by user_dude2008(1862)

Question 336415: Please help me solve this equation 15x+4(x)
Click here to see answer by jim_thompson5910(35256)

Question 336438: i need to know how to do problems like 7m-3m-6=6 my teacher doesnt teach im in highschool another is 2(8+p)=22
Click here to see answer by jim_thompson5910(35256)

Question 336454: how do you use the quadratic formula?
Click here to see answer by Edwin McCravy(20054)

Question 336588: how do i change 5*20+5*3 into an indicated product?
Click here to see answer by stanbon(75887)

Question 336581: how do i change the following 5 * 20 + 5 * 3 into an indicated product
Click here to see answer by edjones(8007)

Question 336020: factor the difference of square
9x^2-25
a. (3x-5)^2
b. (9x+1)(x-25)
c. (3x+5)(3x-5)
d. (3x+5)^2
the ^ button is the power button
Click here to see answer by Fombitz(32388)

Question 336830: solve for x: (3x-2)(x-1)=0
Click here to see answer by stanbon(75887)

Question 336946: w+14w-6w
Click here to see answer by rfer(16322)

Question 337015: what is a+a/5+2/5a
Click here to see answer by Fombitz(32388)

Question 337309: I need help on finding the value of n in this equation: n divided by -1.28= 4.96
Click here to see answer by checkley77(12844)

Question 337417: how can i use the commutative and associative properties to find three equivalent expresions for (3+x)+y
Click here to see answer by Edwin McCravy(20054)

Question 337480: what is the anwser to -10(1+8n)-10n
Click here to see answer by rfer(16322)

Question 337430: Using the distributive property: 5(3n-4)=4(4x-3). I'm not quite sure what to do with the double variables. Is it 15n=16x+8? Thank you!!!
Click here to see answer by Fombitz(32388)

Question 337590: What is 3(x-2)-2(x+7)=2x+17 step by step?
Click here to see answer by tracybaker_1(1)

Question 337590: What is 3(x-2)-2(x+7)=2x+17 step by step?
Click here to see answer by mananth(16946)

Question 338047: what is the greatest common factor of the monomials 18x2, 27x4, 30x3?
Click here to see answer by rfer(16322)

Question 338047: what is the greatest common factor of the monomials 18x2, 27x4, 30x3?
Click here to see answer by benazir.sj@gmail.com(109)

Question 338428: using distributive property rewrite without parentheses
(1-t)(-9)=(1)(-9)-(t)(-9)+ -9 + 9t
Click here to see answer by jim_thompson5910(35256)

Question 338934: how can you foil (a+b+c)(a+b+c) ?
Click here to see answer by Fombitz(32388)

Question 338529: factor completely
(-x^3 +x^2 +42x)
Click here to see answer by jim_thompson5910(35256)

Question 339052: i need help to solve the commutative or distrbutive to find equivalent expression for the following:
(x+y)x + (x+y)y
Click here to see answer by stanbon(75887)

Question 339100: Do not understand this problem below:
6x-(2x+5)
I got: 6x-2x+5
4x+5
Not sure since there is not a number against the parenthesis how to do this one....
Thank You

Click here to see answer by Alan3354(69443)

Question 339245: i need help with inequalities
Click here to see answer by stanbon(75887)

Question 339703: How can I simplify this expression 10(11a) i don't get i'm confused.. Please help me!!
Click here to see answer by jim_thompson5910(35256)

Question 339759: 5/6 6 + 3/2 4 (-1/3 3)
Click here to see answer by Fombitz(32388)

Question 339972: -38=7W+3(w-6)
Help me please! I'm just not getting this.
-Use the distributive property to get rid of () so it's
-38= 7w+3w-18. Then we would subract 18 from both sides???? Im lost from here!
Click here to see answer by jim_thompson5910(35256)

Question 339977: How do you simplify the following equation?
19h(-1)(-2s)
Click here to see answer by jim_thompson5910(35256)

Question 339996: is 3+(m*10)=3+(10m) commutative property of addition, multiplication, or associative property of addition or multiplication.?
Click here to see answer by solver91311(24713)

Question 340002: 15d - 9 + 2d can u show the work for this problem please?
Click here to see answer by edjones(8007)

Question 340251: 6-4n+3n=20-35
Click here to see answer by fractalier(6550)

Question 340261: 6(c-2)=7(c-6)
Click here to see answer by fractalier(6550)

Question 340224: Write an algebraic expression for 5 times the product of x and y increased by 3xy
Click here to see answer by Fombitz(32388)

Question 340384: Name the algebraic property demonstrated in the example below.
3 � (x � y) = (3 � x) � y
Click here to see answer by stanbon(75887)

Question 340388: Name the algebraic property demonstrated in the example below.
x + 5 = x + 5
Click here to see answer by Edwin McCravy(20054)

Question 340387: Name the algebraic property demonstrated in the example below.
2 + x + y = x + 2 + y
Click here to see answer by Edwin McCravy(20054)

Question 340386: Name the algebraic property demonstrated in the example below.
If 4 = x + y, then x + y = 4.
Click here to see answer by Edwin McCravy(20054)

Question 340330: How do you factor c^2-6c(a-c)+9(a-c)^2? I keep coming up with (3a-4c)^2 but the answer book says I am wrong.
Click here to see answer by Fombitz(32388)

Question 340541: x-(4+3x)+8 = 6x-5
Click here to see answer by solver91311(24713)

Question 340551: solve the equation and simplify the answer
x-(4+3x)+8 =6x-5
Click here to see answer by rfer(16322)

Question 340545: solve the equation and simplify the final answer
11+2/x=20
Click here to see answer by rfer(16322)

Question 340631: What is 5 multiplied by (14-3)

Click here to see answer by nyc_function(2741)

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