Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−492161,x2=492161Alternative Form x1≈−0.517901,x2≈0.517901 Evaluate 180=7x×98x−4Multiply More Steps Evaluate 7x×98xMultiply the terms 686x×xMultiply the terms 686x2 180=686x2−4Swap the sides 686x2−4=180Add or subtract both sides 686x2=184Divide both sides 686686x2=686184Divide the numbers x2=34392Take the root of both sides of the equation and remember to use both positive and negative roots x=±34392Simplify the expression x=±492161Separate the equation into 2 possible cases x=492161x=−492161Solution x1=−492161,x2=492161Alternative Form x1≈−0.517901,x2≈0.517901 Show Solution Graph