B. Rewrite in standard form. $f(x)=(4 x-1)(3 x-5)$
\(\boxed{f(x) = 12x^2 - 23x + 5}\)
Step 1 :Expand the expression: \(f(x) = (3x - 5)(4x - 1)\)
Step 2 :Simplify the expression: \(f(x) = 12x^2 - 23x + 5\)
Step 3 :\(\boxed{f(x) = 12x^2 - 23x + 5}\)