Question

☺☻☺☻☺ Solve the equation ☺☻☺☻☺


Solve the equation using square roots. x^2+20=4

Answer 1

x^2+20=4

Subtract 20 from both sides.

x2+20−20=4−20

x2=−16

Take square root.

x=±√−16

Answer

No real solutions.