Question Solve the quadratic equation Solve using square roots Solve by factoring Solve using the quadratic formula Load more x1=−6,x2=6 Evaluate 36=21×2x2−21×2×02Simplify More Steps Evaluate 21×2x2−21×2×02Calculate 21×2x2−21×2×0Any expression multiplied by 0 equals 0 21×2x2−0Multiply the terms x2−0Removing 0 doesn't change the value,so remove it from the expression x2 36=x2Swap the sides x2=36Take the root of both sides of the equation and remember to use both positive and negative roots x=±36Simplify the expression x=±6Separate the equation into 2 possible cases x=6x=−6Solution x1=−6,x2=6 Show Solution Graph