Do you mean x/-9=(-4)-(-11)x?
Answer:
Step-by-step explanation:
hello :
note : the vertex form is :
ax²+bx+c = a(x+(b)/(2a))²- delta/4a² and delta = b²- 4ac
in this exercice you have : a =1 b = -1 and c= 3
continu ..........
8 is the answer
Ignore this part, Brainly wants more than 20 characters