Answer:
Step-by-step explanation:
Solving for x. Want to solve for f instead?
Step 1 move all terms to one side
fx - 4x² + 100 =0
Step 2 Use the Quadratic Formula
x = -f + √f² + 1600 ÷ -8, -f-√f²+1600 ÷ -8
Done.
Answer: It's 3.8
x is EQUIVALENT to 2.89
$780.48 is the answer
I have already answered this in your last question:)
