Mathematics

Solve the equation (x +2)(x – 7) = 0

Solve the equation (x +2)(x – 7) = 0

  • A.
    x = 1 or 8
  • B.
    x = -2 or 7
  • C.
    x = -4 or 5
  • D.
    x = -3 or 6
  • E.
    x= -5 or -2
Correct Answer: Option B
Explanation

(x + 2)(x – 7) = 0

x + 2 = 0 (implies) x = -2

x – 7 = 0 (implies) x = 7

x = -2 or 7