Question

Solve : x(x – 5) = 24

Answer 1

x(x - 5) = 24

`=> x^2 - 5x - 24 = 0`

`=> x^2 - 8x  + 3x - 24 = 0`

`=> x(x- 8) + 3(x - 8) = 0`

=> (x - 8)(x + 3) = 0

Since x - 8 = 0 or x + 3 = 0

then x = 8 or x = -3