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

Tutors Answer Your Questions about expressions (FREE)

Question 220250: Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x ?
A. –6x2 + 25x + 6
B. 6x2 + 5x + 6
C. 6x2 – 5x + 6
D. 6x2 – 5x – 6
E. 6x2 – 13x – 6
Click here to see answer by ptaylor(2052)

Question 220181: 4+2(4x-3(5-x))=2(x+59)
Click here to see answer by rfer(12730)

Question 220450: 4(-8)
Click here to see answer by rapaljer(4667)

Question 220400: Please evaluate the factorial expression (700!)/(699!)
Click here to see answer by checkley77(12569)

Question 220615: Please explain step by step how to symplify: (2t+4)3+6(-5t)-(-8)
The answer in my book is: -24t+20
I don't have a clue how to get there.
Click here to see answer by chibisan(131)

Question 220763: I used to know how to do these problems.
8(9-4)(4+5)x4=
But i forgot how to.
What are the steps?
And
Are these steps right?
8 Over 16 + 9 Over 16 Does it equal 8 over 17?

Click here to see answer by babydoll77stl(4)

Question 220793: evaluate xy as well as x/y if x=20 and y = -5
Click here to see answer by rfer(12730)

Question 220968: the product of nine and a number, decreased by seven.
Click here to see answer by checkley77(12569)

Question 221035: 657*56
Click here to see answer by user_dude2008(1861)

Question 221847: what is x+t^10
Click here to see answer by Earlsdon(6294)

Question 221971: state the expression without parentheses for 3(x + 2)
Click here to see answer by jim_thompson5910(28717)

Question 222029: m doing Variables and i just cant get this problem c=2(pie)R
Click here to see answer by checkley77(12569)

Question 222029: m doing Variables and i just cant get this problem c=2(pie)R
Click here to see answer by rfer(12730)

Question 222041: what is the answer to this problem step by step? (10 x n) + 7 = 457
Click here to see answer by checkley77(12569)

Question 222484: X=6, y=-4, a=3
(5x - 2y)(-2a)
evaluate.
Click here to see answer by stanbon(57979)

Question 222486: X=6, y=-4, a=3
6x - 5y + 4a
evaluate.
Click here to see answer by drj(1380)

Question 223027: Solve.
8x-(6x+4)=12
The solution of x = ___
Click here to see answer by rfer(12730)

Question 223027: Solve.
8x-(6x+4)=12
The solution of x = ___
Click here to see answer by drj(1380)

Question 223381: twice a number is 60 more than five times the number. what is the number?
Click here to see answer by checkley77(12569)

Question 223381: twice a number is 60 more than five times the number. what is the number?
Click here to see answer by jsmallt9(3296)

Question 224431: i have to multiply the monomials
2x^2(-3x)
Click here to see answer by checkley77(12569)

Question 224431: i have to multiply the monomials
2x^2(-3x)
Click here to see answer by stanbon(57979)

Question 224384: Could you help me with this problem?
Dina and Masha start out on a 10km bikepath at the same time. When Dina reaches the end of the 10km, Masha still has 2km left to bike. Dina's biking speed is 5km per hour, find Masha's biking speed.
Click here to see answer by checkley77(12569)

Question 224842: Please help me simplify this problem
4a-3+5a
this is what i did
4a+5a= 9a +(-3)
am i right?

Click here to see answer by Alan3354(31534)

Question 224842: Please help me simplify this problem
4a-3+5a
this is what i did
4a+5a= 9a +(-3)
am i right?

Click here to see answer by drj(1380)

Question 224852: Please help me simplify this problem
t-3t+2t+4
this is what i did
1t-3t+2t=0t+4
am i right?

Click here to see answer by LtAurora(115)

Question 224852: Please help me simplify this problem
t-3t+2t+4
this is what i did
1t-3t+2t=0t+4
am i right?

Click here to see answer by Earlsdon(6294)

Question 225089: what is 9p-3(5p+2)+6
Click here to see answer by rfer(12730)

Question 225089: what is 9p-3(5p+2)+6
Click here to see answer by jim_thompson5910(28717)

Question 225104: How to solve
(3x4y)^2
Click here to see answer by rfer(12730)

Question 225047: How to simplify: 20*(-c)
Click here to see answer by rfer(12730)

Question 225046: How to simplify: 20*(-c)
Click here to see answer by rfer(12730)

Question 225442: Can you please help me with this question?
3r(squared)+4r(squared)
combine like terms where possible.
Click here to see answer by jim_thompson5910(28717)

Question 225465:
Click here to see answer by Thelioness(3)

Question 225446: Please help me answer this question.
1/4(6b+2)-2/3(3b-2)
Simplify the expression.
Click here to see answer by checkley77(12569)

Question 225594: A tank can be filled from the faucet in 8 hours. It takes only 6 hours to empty the tank when the drain is open. If the tank is full and both the faucet and drain are open, how long will it take to empty the tank?
Click here to see answer by ankor@dixie-net.com(15746)

Question 225749: 6v-28=50
Click here to see answer by rfer(12730)

Question 225746: -72=8x-48
Click here to see answer by rfer(12730)

Question 225745: x-8=-8
Click here to see answer by rfer(12730)

Question 225752: could you please tell me what the mathematical expression for "take x and increased it by the double of six".
Click here to see answer by rfer(12730)

Question 225959: If a certain number is added to the numerator and denominator of 7/15, the results is 1/3. find the number?
Click here to see answer by jim_thompson5910(28717)

Question 226494: 2.4x+3.8+3x+5
Click here to see answer by user_dude2008(1861)

Question 226485: write an expression for Amir's total salary for h hours of work if he is paid $8.25 per hour.
Click here to see answer by rfer(12730)

Question 227995: Simplify: x-{x-1-[x-2-(x-3-{x-4-[x-5-(x-6)]})]}
Click here to see answer by rfer(12730)

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