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Rohit Saluja · Answer 1 · 2020-07-31T12:51:14+0000

the correct answer of

$4{x}^(2) + 4x$
if x=4 is 272.

to solve the equation if x equals 4, you must substitute the x of the 4.

$4( {4}^(3) ) + 4(4)$
then solve by order of operations.
solve what is inside the parentheses first

4(64) + 4(4)

then do the multiplication of the factors

256 + 16

then the final step, adding, to get the solution of 272

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