Hi everyone, I would apperciate some help, I want to learn how to do the process in getting the answer. So anyone please help me. ^^ I just can't understand the problem. :)
2006-11-15 15:44:43 · 9 answers · asked by Lizzie 5 in Science & Mathematics ➔ Mathematics
oops sorry its " - "
2006-11-15 15:52:12 · update #1
Assuming you meant in your addendum that BOTH missing signs are "-", this problem reads:
3x (5 - 2x) + 6x (x - 2)
First you multiply what's outside the parentheses by what's inside the parentheses, so you would multiply
3x times 5 and 3x times -2x, resulting in 15x - 6x^2
(Read this as fifteen x minus six x squared)
then 6x times x and 6x times -2, resulting in 6x^2 - 12x
(Read: six x squared minus twelve x)
By the end of this step, the problem will read:
15x - 6x^2 + 6x^2 - 12x
This can be simplified even further by adding and subtracting numbers with common x values.
15x - 12x = 3x
-6x^2 + 6x^2 = 0
So this equation at its simplest value will be 3x
2006-11-15 16:02:52 · answer #1 · answered by ensign183 5 · 1⤊ 0⤋
whats betwwen 5 and 2??? and x and 2??
if its a small number put in ^
like this 3x(5^2)+6x(x^2)
2006-11-15 15:48:19 · answer #2 · answered by Ruski 2 · 0⤊ 0⤋
im not sure but i think the answers is:
3x(5 2x) + 6x(x2)
=3x (5x2x)+ 6x(x2)
=3x times 7x +12x
21x + 12x
2006-11-15 15:49:35 · answer #3 · answered by Anonymous · 0⤊ 0⤋
3x(5-2x) + 6x(x-2)
=15x-6x^2+6x^2-12x
=3x
2006-11-15 15:53:49 · answer #4 · answered by Anonymous · 0⤊ 0⤋
3x(5+2x) + 6x(x-2) I have added "+" and "-"! :)
3x*5+3x*2x+6x*x-6x*2=
=15x+6x^2+6x^2-12x=12x^2+3x or 3x(4x+1)!
2006-11-15 15:48:50 · answer #5 · answered by Vladimir S 2 · 0⤊ 0⤋
there seem to be some mathematical symbols missing? What is that supposed to be within the parentheses? Please use ADD details to clarify the equation.
2006-11-15 15:47:06 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Are the x's multiplication signs or variables?
It's confusing the way you wrote it.
2006-11-15 15:53:25 · answer #7 · answered by banjuja58 4 · 0⤊ 0⤋
parenthasis then
multiplication and subtraction
before
addition and subtraction
2006-11-15 15:53:48 · answer #8 · answered by 987654321abc 5 · 0⤊ 0⤋
there is a missing symbol in the equation...
2006-11-15 17:16:03 · answer #9 · answered by mich 2 · 0⤊ 0⤋