Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula y1=−155,y2=155Alternative Form y1≈−12.4499,y2≈12.4499 Evaluate −y(−y)=155Simplify More Steps Evaluate −y(−y)Multiply the terms More Steps Evaluate y(−y)Use the commutative property to reorder the terms −y×yMultiply the terms −y2 −(−y2)Calculate y2 y2=155Take the root of both sides of the equation and remember to use both positive and negative roots y=±155Separate the equation into 2 possible cases y=155y=−155Solution y1=−155,y2=155Alternative Form y1≈−12.4499,y2≈12.4499 Show Solution Graph