Question Solve the quadratic equation Solve using square roots Solve by factoring Solve using the quadratic formula Load more f1=−1,f2=1 Evaluate f2×9=9Use the commutative property to reorder the terms 9f2=9Divide both sides 99f2=99Divide the numbers f2=1Take the root of both sides of the equation and remember to use both positive and negative roots f=±1Simplify the expression f=±1Separate the equation into 2 possible cases f=1f=−1Solution f1=−1,f2=1 Show Solution Graph