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Possible derivation:
d/dx(log(x^(4 x)))
Simplify log(x^(4 x)) using the identity log(a^b) = b log(a):
 = d/dx((4 x) log(x))
Factor out constants:
 = 4 (d/dx(x log(x)))
Use the product rule, d/dx(u v) = v ( du)/( dx) + u ( dv)/( dx), where u = x and v = log(x):
 = 4 log(x) (d/dx(x)) + x (d/dx(log(x)))
The derivative of x is 1:
 = 4 (x (d/dx(log(x))) + 1 log(x))
The derivative of log(x) is 1/x:
 = 4 (log(x) + 1/x x)
Simplify the expression:
Answer: |= 4 (1 + log(x))

189 = 21 x 9, and 21 + 9 = 30.

Your AS is: First term=15, common difference = -8

15, 7, -1, -9

See the 'Register' right next to the 'Login'   on the home screen????

You start with a quadratic of the for  ax^2 + bx + c = 0

Then you can use the Quadratic Formula to solve for 'x

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

Or you can soemtimes factor the quadratic equation    

Example

x^2 + 5x + 6 = 0    can easily be factored to

(x+3)(x+2) = 0     which 'solves' for x = -3 or -2

Or ....you can graph it and find where y=o for the 'zeroes' tha satisfy the equation.....

...... and you want to know the original trinomial?    Factor 4x out of the result

4x(2x^2 -x -3)         =   8x^3-12x-4x^2

SO the original was  2x^2 -x - 3

That one's pretty simple from the info gathered, if he wants to buy the same number of each it just becomes 6000= x(250+240+200) where x is the number of games. In this case it becomes ~8.7 meaning he can get 8 of each with $480 left over for whatever he wants. I'm assuming there's a second part of that question you didn't post judging by how abruptly you cut off there though, so there might be other factors in play.

1 bcs 10^-3=-1000 and -1000/-1000=1

5ff

3/25 = 0.12

4/25 = 0.16

The answer is (0.12+0.16i)

Now you have a sum of 5 apples.

10^-3/10^-3=1

x/x = 1

 31,536,000 seconds

93 

32101 is  right 

it's 1 :O i solved it 0/0=1 0 takes the 0 boom

Let the number of adult tickets =A

Let the number of student tickets =S

A+S = 30

30A+25S = 810, solve for A, S

A =12 tickets

S =18 tickets.

4 is the square root of 16