Simplification/ 15x^6-20x^5+10x^4
Assuming this is some kind of modular question, maybe mod 17.
since 1+8+9=1, we can say that 8+9=0
therefore, 2+0=x, so x=2
Answer is a sphere (ball shape)
She could withdraw $25 for 12 weeks and would have $200 left