Question 1162524
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<pre>

The problem says


    {{{(x+4)^2}}} = 16x^2.


Take the square root of both sides.  You will ger


    x + 4 = 4x.


    4 = 4x - x

    4 = 3x

    x = {{{4/3}}} inches.    <U>ANSWER</U>
</pre>

Solved.