1 1/3 hours. 3/4 plus 7/12 equals 1 1/3. Hope this helps
So the answer is, x1=-2, x2=9
x^2-7x=18
x^2-7x-18=0
x^2+2x-9x-18=0
x*(x+2)-9(x+2)=0
(x+2)*(x-9)=o
x+2=0
x-9=0
X=-2
X=9
I hope u understand!
Answer: "...in descending order."
There you go.
Another way is the formula:
Πr^2. (pi)(r) squared
Hope this helps!
