All you have to do, is combine like terms. Let's go through it:

Arrange it so you can easily combine like terms:

So, your answer for the sum is 1) 7x² - 10x + 2
Answer:
Cant see the grapg but i would guess and say C(2014) i guess
Step-by-step explanation:
The equation you provided is an ellipse; when graphed, it will make an oval shape.
Answer:
A c = -4 2/3
Step-by-step explanation:
5c +4 = 2(c-5)
Distribute
5c+4 = 2c - 10
Subtract 2c from each side
5c-2c+4 = 2x-2x-10
3c+4 = -10
Subtract 4 from each side
3c+4-4=-10-4
3c = -14
Divide each side by 3
3c/3 = -14/3
c = -14/3
Changing to a mixed numbers
c = -4 2/3