WAEC 2025 · Paper 1 · Q17✱✱

Solve (x+2)(x−7)=0(x + 2)(x - 7) = 0.

Worked solution (try it first)
  1. A product is zero only when one of its factors is zero.
  2. x+2=0x + 2 = 0 gives x=−2x = -2, and x−7=0x - 7 = 0 gives x=7x = 7.
  3. So x=−2x = -2 or x=7x = 7, option D.

Report a problem with this question