Çözüldü Factorization

https://i.ibb.co/KpFfQ6FS/Polynomial.png
https://www.mometrix.com/academy/wp...e-Test-2-with-Answer-Key-and-Scoring-Info.pdf
[ Page 36 (38 in the pdf file), Solution: Page 42 (98 in the pdf file) ]

Turkish Way of Solving:
-2b^3 + 42b^2 - 208b = 0
b^2 - 21b + 104 = 0
(b - 13)(b - 8) = 0