11428571429/10000000000 because all you have to do is say the number as a decimal and count the place values
Answer:
factor left the side of the equation
(2k_9)(k+2)=0
set factors equal to 0
2k_9=0 or k+2=0
the answer is K= 9/2 or K =-2
13/20 :) i can explain if you want me to :)