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Zero-product property

Grade 9

What this lesson shows

Solve, bracket, x minus 3, bracket, x minus 5, equals zero. Two things multiplied together give zero. What does that force?

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

  1. Solve (x - 1)(x - 2) = 0
    Show answer
    1, 2
  2. Solve (x - 1)(x - 2) = 0. Which is correct?
    Show answer
    1, 2
  3. Is x = 1 a solution of (x - 1)(x + 2) = 0? True or False?
    Show answer
    True
  4. Solve (x - 1)(x - 3) = 0
    Show answer
    1, 3

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