Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−614,x2=614Alternative Form x1≈−0.62361,x2≈0.62361 Evaluate 168=18x×12×2xMultiply More Steps Evaluate 18x×12×2xMultiply the terms More Steps Evaluate 18×12×2Multiply the terms 216×2Multiply the numbers 432 432x×xMultiply the terms 432x2 168=432x2Swap the sides 432x2=168Divide both sides 432432x2=432168Divide the numbers x2=187Take the root of both sides of the equation and remember to use both positive and negative roots x=±187Simplify the expression x=±614Separate the equation into 2 possible cases x=614x=−614Solution x1=−614,x2=614Alternative Form x1≈−0.62361,x2≈0.62361 Show Solution Graph