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

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 Algebra: Evaluation of expressions, parentheses Solvers Lessons Answers archive Quiz In Depth

 Question 118190: Hello, I have 2 questions to ask. First off, I am in the sixth grade and I understand the rules of algebra, I just don't get what (v squared and p cubed are). Is there any way you can help me understand or show me what it is? Please and thanks! ~Little Nah-Nah Click here to see answer by bucky(2189)

 Question 118369: 3n^2 - 4m if n = -2 and m = 5 Click here to see answer by jim_thompson5910(28476)

 Question 118904: 1. Use multiplying by 1 to find an expression equivalent to 9/2 with a denominator of 12a? 2. Collect like terms? 23/3x+7/3y-4/3x+7/3y 3. Remove parentheses and simplify? 9h=6j-4(9h-9j=7K) 4. Simplify? 2{[5(y-5)+19]-[2(2y-3)+5]} Click here to see answer by stanbon(57214)

 Question 119154: Hello and thanks for being available to help me.. Can you please help solve an equation for X and walk me through the steps ( a breakdown so I can work my way backwards to understand what you have done? 2x( -2(2-x) = -3 ( x- 1) solve equation for X Again , thanks Brandi Whitley Click here to see answer by jim_thompson5910(28476)

 Question 119158: Hello can you help me solve the equation for x below? 3/4(x) = 1/3 Can you breakdown what the equation should look like? Thank you BLW CALI Click here to see answer by jim_thompson5910(28476)

 Question 119203: suppose f9x0 =4x-2 and g(x) = -2x+1 find the value f(4)/g(3) Click here to see answer by jim_thompson5910(28476)

 Question 119199: I am trying to simplify the expression, I have the right number but still very confused how I got the answer. Could you give me the steps to do this? Thanks so much.. The answer is 7/6a+13/6 Click here to see answer by stanbon(57214)

 Question 119157: Hello and thank you for being available.. Can you help me? Caan you simplfy or breakdown how to get there for me? What are the two consecutive odd numbers of 56? Click here to see answer by bucky(2189)

 Question 119265: My question is when evaluating : Problem is x=3 t=4 y=2 xty to the 3rd power. My answer does not agree with my text book. Can you help me? Click here to see answer by chitra(359)

 Question 119518: I really need help with these questions. Evaluate each function for x= -2,0,and 5. 1.) y = 9 + x 2.) y = x^2 - 1 Please help me because I need to get this to my teacher tommorrow. Click here to see answer by jim_thompson5910(28476)

 Question 119711: This seems to be a hard one for me to factor 9x^2-25y^2 Click here to see answer by MathLover1(6612)

 Question 119710: 4x^2-12+9 Is this the right way to factor? (2x-3)(2x-3) Click here to see answer by scott8148(6628)
 Question 119710: 4x^2-12+9 Is this the right way to factor? (2x-3)(2x-3) Click here to see answer by MathLover1(6612)

 Question 119713: Was I able to factor this correctly? 4x^2-15x-25 =(2x+5)(2x+5) Click here to see answer by jim_thompson5910(28476)

 Question 119706: Can someone show me how to solve this problem by factoring 4x^2+8xy-6y Click here to see answer by stanbon(57214)

 Question 120491: (-5a^2)(-5a^3)^4 simplified, the answer is (-5)^5a^14. What I don't understand is, how did the negative sign shift to the 5 only? Please explain. Thanks Click here to see answer by stanbon(57214)

 Question 121008: Write as a mathematical expression using parentheses and brackets. Then evaluate: "Subtract 3 from 15. Divide this difference by 2. Multiply this quotient by 4." Click here to see answer by madhan_math(34)

 Question 121337: Can you help me solve multi-step equations?I get lost.I get the steps confused. 20. 5/8(p-4)=2 Click here to see answer by checkley71(8403)

 Question 121338: Now I'm really lost. 18. 1/2 (4d - 2 )= d +5 Click here to see answer by MathLover1(6612)
 Question 121338: Now I'm really lost. 18. 1/2 (4d - 2 )= d +5 Click here to see answer by checkley71(8403)
 Question 121338: Now I'm really lost. 18. 1/2 (4d - 2 )= d +5 Click here to see answer by Prithwis(166)

 Question 121830: 4x+9 For x=8, -4x^2+2x+7 for x=-1, a^2+5abc-c^2 for a=-8,b=3, and c=5 Click here to see answer by checkley71(8403)

 Question 122181: The base of an isosceles triangle is 12 in. less than the length of the equal sides. If the perimeter of the triangle is 39 in., find the length of each sides. Click here to see answer by jasonlin00(6)

 Question 122178: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? Click here to see answer by jasonlin00(6)
 Question 122178: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? Click here to see answer by josmiceli(9647)

 Question 122182: Ching leaves San Fransisco and travels toward Los Angeles at 50mi/h. An hour later, Phil leaves Los Angeles and travels toward San Fransisco at 60 mi/h. If the two cities are 380 miles apart, how many hours will it take for Ching to meet Phil? Click here to see answer by jasonlin00(6)

 Question 122177: Translate the following statement into an algebraic equation. Let x represent the number. 1 more than a number is 7 Click here to see answer by scott8148(6628)