The correct answer is 541.2 to be exact
So firstly, reverse the signs in (6x^2 + 8x - 1) and change the minus sign to a plus sign:
![\begin{alignedat}{2} 4x^2-9x+7\\ +(-6x^2)-8x+1\end{alignedat}](https://tex.z-dn.net/?f=%20%5Cbegin%7Balignedat%7D%7B2%7D%204x%5E2-9x%2B7%5C%5C%20%2B%28-6x%5E2%29-8x%2B1%5Cend%7Balignedat%7D%20)
Next, combine like terms:
![\begin{alignedat}{3} 4x^2-9x+7\\ +(-6x^2)-8x+1\\-2x^2-17x+8\end{alignedat}](https://tex.z-dn.net/?f=%20%5Cbegin%7Balignedat%7D%7B3%7D%204x%5E2-9x%2B7%5C%5C%20%2B%28-6x%5E2%29-8x%2B1%5C%5C-2x%5E2-17x%2B8%5Cend%7Balignedat%7D%20%20)
<u>The difference is -2x^2 - 17x + 8</u>
Answer:
I can relate to "dude lengths"
Step-by-step explanation: Add all the side lengths to total the perimeter:
P= 2x+4x-2+3x-1
Simplify by combining like terms:
P= 9x -3
If you were given a value for P or x you could solve the equation
Answer:
yep all looks good to me
Step-by-step explanation: