the correct answer of [tex]4{x}^{2} + 4x[/tex] if x=4 is 272.
to solve the equation if x equals 4, you must substitute the x of the 4. [tex]4( {4}^{3} ) + 4(4)[/tex] then solve by order of operations. solve what is inside the parentheses first [tex]4(64) + 4(4)[/tex] then do the multiplication of the factors [tex]256 + 16[/tex] then the final step, adding, to get the solution of 272
