Question

Q.2 From a quadratic equation whose roots are : 7 and 4​

Answer 1

Answer x = 4 or x = 7 x - 4 =0 or x - 7 =0 (x - 4)(x - 7) =0 x^2 - 7x - 4x + 28 =0 x^2 11x + 28 =0 hence the quadratic equation whose root are 4 and 7 = x^2 - 11x + 28 =0