How do you solve #-2(x+1)^2 = -10#?
1 Answer
Apr 11, 2017
Explanation:
#color(blue)"Isolate " (x+1)^2#
#"divide both sides by " -2#
#(cancel(-2)(x+1)^2)/cancel(-2)=(-10)/(-2)#
#rArr(x+1)^2=5#
#color(blue)"take the square root of both sides"#
#sqrt((x+1)^2)=+-sqrt5#
#rArrx+1=+-sqrt5#
#rArrx=+-sqrt5-1larrcolor(red)" exact value solutions"#
