How do you solve the equation #4(x+5)^2=-64#?
1 Answer
Jun 20, 2017
Explanation:
#"Isolate " (x+5)^2" by dividing both sides by 4"#
#rArr(x+5)^2=-16#
#(x+5)^2>=0" hence there are no real roots"#
#x+5=+-sqrt(-16)#
#color(white)(x+5)=+-4i#
#rArrx=-5+-4i#