Combine like terms
2x^2 + -7x^2 = -5x^2
-9x + 4x = -5x
3 + -2 = 1
put back together
-5x^2 - 5x +1
Its already fully simplified.
Answer:
No
Step-by-step explanation:
Ratio of areas = (Ratio of diameters)²
Ratio of areas = 2² = 4
I think the root of "3x + 1 = 7" is 2...
Answer:

Step-by-step explanation:
Divide both sides by 9 to isolate x:

Hope this helps!