Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−278,x2=278Alternative Form x1≈−17.663522,x2≈17.663522 Evaluate 312=x×x×1Multiply the terms More Steps Evaluate x×x×1Rewrite the expression x×xMultiply the terms x2 312=x2Swap the sides x2=312Take the root of both sides of the equation and remember to use both positive and negative roots x=±312Simplify the expression x=±278Separate the equation into 2 possible cases x=278x=−278Solution x1=−278,x2=278Alternative Form x1≈−17.663522,x2≈17.663522 Show Solution Graph