They are the same , hope this helps :)
Im assuming you mean 2x^2-3x-9=0 ?
If so, you have to factorise the equation
(2x-3) (x+3) = 0
2x - 3 = 0
2x = 3
x = 1.5
x + 3 = 0
x = -3
x is either 1.5 or -3
Hello :

by(1) :

subsct in (2) :

....(<span>cartesian equation )</span>
Answer:
A
Step-by-step explanation:
0.99/3=0.33
0.33*5=1.65