Step-by-step explanation:
x² + 2x - 63 = 0
(x+9)(x-7)=0
x=-9 x=7
Answer:
2n - 5 = n^2 (or n squared)
The answer is going to be 200 because the real answer would be 216.84
i got 32031.14
the radious to the second power times pie
i think the answer is contionous
