Lesson 1 Mary Rose n. Bengua Grade 9 Quezon write whether the given is a 1₁-x²45x-26=0 write it in the standard Quadratic / no 2-3cm-19) > 0 3, 2t lt-7)=-3 + 4. cx-7) Ex+7=0 5165=25²-0 matha Quarter is a quadratic equation POLM. standard form or not 09-3 A, b, c​