Perform the indicated operation and simplify
posted by Jody .
X^22x15/x^2+x12*2x^26x/x^3+3x^2

Brackets are absolutely essential here.
I am sure you meant
(x^22x15)/(x^2+x12)*(2x^26x)/(x^3+3x^2)
= (x5)(x+3)/( (x+4)(x3) ) * 2x(x3)/( x^2(x+3))
= 2(x5)/(x(x+4)) or (2x 10)/(x^2 + 4x) , x ≠ ±3,0