Answer:
Step-by-step explanation:
Y=-x^2+6x-5
Y=3
a) Use substitution :
3 = - x²+6x- 5
x²- 6x+8 = 0
b) Factor your equation:
(x- 2)(x-4)=0
c) Identify the x-values of the solutions:
x-2=0 or x-4 =0
x=2 or x=4
d) Identify the solution to the system :
x=2 y=3
and
x=4 y=3