Question

Solve : x² – (a + b)x + ab = 0

Answer 1

`x^2 - (a + b)x + ab = 0`

`=> x^2  - ax - bx + ab = 0`

`=> x(x - a) - b(x - 1) = 0`

=> (x - 1)(x - b) = 0

since x - a =0 or x - b = 0

then x = a or x = b