Question Solve the quadratic equation Solve using square roots Solve by factoring Solve using the quadratic formula Load more z1=−3,z2=3 Evaluate 2z2=18Divide both sides 22z2=218Divide the numbers z2=9Take the root of both sides of the equation and remember to use both positive and negative roots z=±9Simplify the expression z=±3Separate the equation into 2 possible cases z=3z=−3Solution z1=−3,z2=3 Show Solution Graph