SOLUTION: solve: z+9/z= -10

Question 314259: solve:
z+9/z= -10
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
z+9/z= -10
(z*z+9)/z=-10
(z^2+9)/z=-10 cross multiply.
z^2+9=-10z
z^2+10z+9=0
(z+9)(z+1)=0
z+9=0
z=-9 ans.
z+1=0
z=-1 ans.

RELATED QUESTIONS
solve... (answered by Alan3354,JBarnum)

solve... (answered by dabanfield)

solve... (answered by Alan3354)

2/z+4= 1/z-9... (answered by Tatiana_Stebko)

solve... (answered by Gogonati)

4/9=15/z+10 (answered by Fombitz)

Solve the system: -x-y-2z=9 -2x-2y-z=1... (answered by ikleyn)

z ( Z-9) =... (answered by edjones)

z(z-9)=-20 (answered by nyc_function,College Student)