Question 882799
(1) {{{ ( x-5 )^2 = 8^2 }}}
and also
(2) {{{ ( x-5 )^2 = (-8)^2 }}}
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Take the square root of both sides
for (1) and (2)
(1) {{{ x - 5 = 8 }}}
(1) {{{ x = 13 }}}
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and, also
(2) {{{ x - 5 = -8 }}}
(2) {{{ x = -3 }}}
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Both answers are correct