Answer:
y = x^2 +6x+14
Explanation:
x = t - 3, y = t^2 + 5
x=t-3
Add 3 to each side
x+3 = t-3+3
x+3 =t
Substitute into the second equation
y = t^2 +5
y = (x+3)^2 +5
Foil the first term
y = (x+3) (x+3) +5
y = (x^2 +3x+3x+9) +5
y = x^2 +6x+9) +5
y = x^2 +6x+14