12y+3y+20y-9y equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
12*y+3*y+20*y-9*y = 0
Looking for similar summands in the left part:
26*y = 0
Divide both parts of the equation by 26
y = 0 / (26)
We get the answer: y = 0
Sum and product of roots
[src]
$$0$$
$$0$$
$$0$$
$$0$$