rambman01 rambman01 29-02-2020 Mathematics contestada Which of the following are quadratic equations(i) (P + 1) (P + 2) (P+4) (ii) (x + 2)(square)= 7(iii) k +2/5 - 5 = 0 (iv) M(square)– 1 = 0(v) (x – 3)(cube) + 4 = 0