Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x1=−85,x2=85Alternative Form x1≈−17.888544,x2≈17.888544 Evaluate 50%x(x+21x)=240Simplify More Steps Evaluate 50%x(x+21x)Add the terms More Steps Evaluate x+21xCollect like terms by calculating the sum or difference of their coefficients (1+21)xAdd the numbers 23x 50%x×23xBy definition p%=p×0.01 50×0.01x×23xCalculate 0.5x×23xMultiply the terms More Steps Evaluate 0.5×23Convert the decimal into a fraction 21×23To multiply the fractions,multiply the numerators and denominators separately 2×21×3Multiply the terms 2×23Multiply the terms 43 43x×xMultiply the terms 43x2 43x2=240Divide both sides 4343x2=43240Divide the numbers x2=320Take the root of both sides of the equation and remember to use both positive and negative roots x=±320Simplify the expression x=±85Separate the equation into 2 possible cases x=85x=−85Solution x1=−85,x2=85Alternative Form x1≈−17.888544,x2≈17.888544 Show Solution Graph