Question 998545
.
{{{x^2}}} + {{{(x-3)^2}}} = {{{15^2}}},


{{{x^2 + x^2 - 6x + 9}}} = {{{225}}},


{{{2x^2 -6x - 216}}} = {{{0}}},


{{{x^2 - 3x - 108}}} = {{{0}}},


x = 12 and x = -9.


Only positive x suits.


<U>Answer</U>. 12 inches and 12-3 = 9 inches.