-5 [54-(99-18)]
-5[54 +99 +19]
-5 [ 153+19]
-5[172]
-860
f(x)=2x²-5x
How can I simplify -860 to fraction?
I know something like - 860/100
I don't know what connection your calculations have with the equation.
-860 is a whole number and does not need to be simplified to a fraction.
Repost your question in clearer terms.