The answer is A. positive 3.
Answer:
B. 2, -0.5
Step-by-step explanation:
Given the equation

Rewrite it as

Graph the graph of the quadratic function 
The grapg of this function is a parabola going downwards.
This parabola intersects the x-axis at points x = -0.5 and x = 2, so the solutions of the equation are x = -0.5 and x = 2
3x-2
-(-5x+7)
☝️this is your equation
distribute your subtraction sign to -5x+7 and you get
3x-2
+5x-7
add everything together and you end up with
8x-9
Answer: The Earth makes one rotation every day.
Step-by-step explanation: