Just plus in x for -3
f(x) = 4(-3)^2 + 3(-3) - 11
f (x) = 4(9) -9 - 11
f(x) = 36 - 20
f(x) = 16
Answer:
Step-by-step explanation: 6x+5x=3x+2x-54
11x=5x-54
+5x +5x
16x=54
16 16
x=3.375
Only one. 8
Divide by 6 on both sides. x = 8. That's it.
Answer:

<em>Hope this helps!!!</em>
