Question #b9935
1 Answer
Apr 6, 2017
Explanation:
To
#color(blue)"complete the square"#
#• "add " (1/2" coefficient of x-term")^2#
#"that is " (6/2)^2=9#
#rArrf(x)=(x^2+6xcolor(red)(+9))color(red)(-9)-7#
#rArrf(x)=(x+3)^2-16#
#"Note add 9 to complete the square so 9 must be subtracted"#
