Answer:
<h2> The first</h2>
Step-by-step explanation:

That means every x wich is greater than 7
Idk but just divide both of the fraction hope i helped you a little
X^2-10x+25 = (x-5)^2 or (x-5)(x-5)
It's actually (-9)... think of it as a hot air balloon, the positivies being balloons and the negatives being sandbags or weights.
You have 7 sandbags/weights and add 9 more sandbags/weights, causing u to go lower, therefore, *negative* 9
Hope that helped! :))
Answer:
first you add the 2x and the 3x together then when you get your answer when you add them then you dived your answer and the 15 together
Step-by-step explanation:
hope this helps i didn't put the answers cause i didn't think you wanted them cause all you put was how do i find x