Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−66,x2=66Alternative Form x1≈−0.408248,x2≈0.408248 Evaluate 72(x2×6)=72Remove the parentheses 72x2×6=72Multiply the terms 432x2=72Divide both sides 432432x2=43272Divide the numbers x2=61Take the root of both sides of the equation and remember to use both positive and negative roots x=±61Simplify the expression x=±66Separate the equation into 2 possible cases x=66x=−66Solution x1=−66,x2=66Alternative Form x1≈−0.408248,x2≈0.408248 Show Solution Graph