Answer:
(-3, 4)
Explanation:
y = -x² − 4x + 1
y − 2x = 10
Solve the system of equations using substitution or elimination. Using substitution:
(-x² − 4x + 1) − 2x = 10
-x² − 6x + 1 = 10
-x² − 6x − 9 = 0
x² + 6x + 9 = 0
(x + 3)² = 0
x + 3 = 0
x = -3
y = 4
The solution is (-3, 4).