Question #82350
1 Answer
Sep 10, 2017
Explanation:
#"to "color(blue)"complete the square"#
#•color(white)(x)"add "(1/2" coefficient of x-term")^2" to both sides"#
#"that is add "(4/2)^2=4#
#rArrx^2+2(2x)color(red)(+4)=13color(red)(+4)#
#rArr(x+2)^2=17#