Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−314,x2=314Alternative Form x1≈−11.224972,x2≈11.224972 Evaluate 31x2−7=315×7Simplify More Steps Evaluate 315×7Divide the terms More Steps Evaluate 315Reduce the numbers 15Calculate 5 5×7Multiply the numbers 35 31x2−7=35Add or subtract both sides 31x2=42Divide both sides 3131x2=3142Divide the numbers x2=126Take the root of both sides of the equation and remember to use both positive and negative roots x=±126Simplify the expression x=±314Separate the equation into 2 possible cases x=314x=−314Solution x1=−314,x2=314Alternative Form x1≈−11.224972,x2≈11.224972 Show Solution Graph