Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−87,x2=87Alternative Form x1≈−0.330719,x2≈0.330719 Evaluate (x×8)2−7=0Simplify More Steps Evaluate (x×8)2−7Use the commutative property to reorder the terms (8x)2−7Rewrite the expression More Steps Evaluate (8x)2To raise a product to a power,raise each factor to that power 82x2Evaluate the power 64x2 64x2−7 64x2−7=0Add or subtract both sides 64x2=7Divide both sides 6464x2=647Divide the numbers x2=647Take the root of both sides of the equation and remember to use both positive and negative roots x=±647Simplify the expression x=±87Separate the equation into 2 possible cases x=87x=−87Solution x1=−87,x2=87Alternative Form x1≈−0.330719,x2≈0.330719 Show Solution Graph