Question

x(x - 5) = 24, find the value of X​

Answer 1

Answer:

x (x - 5) = 24

⇒ x2 - 5x - 24 = 0

⇒ x2 - 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