Can you me on this? giving 29 points and giving brainliest! respond asap

Step-by-step explanation:

the discriminant =0

disc.={-2(a-1)}²-4(2a-5)*3

=4(a²-2a+1)-4(6a-15)

=4(a²-2a-6a+1+15)

=4(a²-8a+16)

=4(a-4)²

for a=4,disc=0

so for a=4 ,it has only one real root.