Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula x=0 Evaluate 5x2−7x2=0Subtract the terms More Steps Evaluate 5x2−7x2Collect like terms by calculating the sum or difference of their coefficients (5−7)x2Subtract the numbers −2x2 −2x2=0Solution x=0 Show Solution Graph