Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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Algebra: Polynomials, rational expressions and equations

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Question 39446: 1. How do you factor out x^3?
2. How do you factor out (sqrt x+5)-3/x-4?

PLEASE HELP!!!!!!
Click here to see answer by longjonsilver(2297)

Question 39451: how do you rationalize(sqrt x+5)-3/ x-4?
Click here to see answer by fractalier(1804)

Question 39492: CAN YOU PLEASE GIVE ME THE ANSWER FOR 7a to the third power-2a squared+6-7a squared+2a-4
Click here to see answer by Nate(3495)

Question 39498: when x^3 + 3x^2 - 2x + 7 is divided by x + 1, the remainder is
a. 7
b. 8
c. 9
d. 11
e. 13
Click here to see answer by Nate(3495)

Question 39500: reduce to lowest terms: 2x^2 - 3x - 2/10 + x - 3x^2
Click here to see answer by Nate(3495)

Question 39499: reduce to lowest terms: 2x^2 - 3x - 2
--------------
10 + x - 3x^2

Click here to see answer by Nate(3495)

Question 39264: Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compunded semiannually, then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the polynomial if P= $200 and r=10%.
I = P(1+r/2)^2
Click here to see answer by venugopalramana(3286)

Question 39505: how do u do sythetic division (i know nothing about this topic whatsoever)Please explain for a beginner like me
Click here to see answer by longjonsilver(2297)

Question 38993This question is from textbook Beginning Algebra

: I'm stuck again...
2x / x^2 + 10x + 24 plus 4 / x+4
Thanks for your helpThis question is from textbook Beginning Algebra

Click here to see answer by fractalier(1804)

Question 39575This question is from textbook Beginning Algebra

: What expression raised to the fourth power is 81x^12y^8z^16?
This question is from textbook Beginning Algebra

Click here to see answer by Nate(3495)

Question 39580: Help! I feel like i'm up to my eyeballs in polynomials! I got a test and I need help with these 4 problems. #1 and #2 need to be factored. #3 and #4 need to be solved. Thanx =0) 1) 8x^3+8x-6x
2) 24x^2-92x+80
3) 6x^2+13x+6=0
4) 2(a^2+9)=15a
Click here to see answer by tran3209(100)

Question 39573This question is from textbook Beginning Algebra

: Find the value of the following polynomial for the given values of the variable.
Value #1: x = -3
Value #2: x = -2
-x^2 - 5x -6 ?This question is from textbook Beginning Algebra

Click here to see answer by Nate(3495)

Question 39581This question is from textbook Beginning Algebra

: The cost in dollars of manufacturing w wing nuts is given by the expression 0.07w + 13.3. Find the cost when 375 wing nuts are made. What is the average cost to manufacture one wing nut?This question is from textbook Beginning Algebra

Click here to see answer by checkley71(8405)

Question 39610This question is from textbook Beginning Algebra

: Remove the largest possible common factor
14 x^2 y -35 xy -63xThis question is from textbook Beginning Algebra