Answer:
m=7
-8m+3m=-6-9-20
-5m=-35
-35/-5=7
Step-by-step explanation:
u can be using it at perpendicular and place it's center on point A
hope that helps a bit-
Let y =0
0 = - 2(x-3)^2 + 4
0 = -2(x^2 - 6x +9) +4
0 = -2x^2 +12x - 18 +4
14 = - 2x(x - 6)
-2x = 14 or x - 6 = 14
x = - 7. or. x = 20
Is this correct?