what is the value of X
1. x^2 - 9 = 16
2. 3x(x-5) = 0
OA is C but I got B because I solved B and got a value for X.
1. x^2 - 9 = 16
2. 3x(x-5) = 0
OA is C but I got B because I solved B and got a value for X.
st1. x^2 - 9 = 16
x^2=25
x=+/-5 insuff
st2. 3x(x-5) = 0
3x=0 or (x-5)=0
x=0 or x=5
insuff
together(1) and (2)
x=5
sufficient
IMOC
