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📐 Mathematics - Class 10
Lesson 7 · Word problems related to quadratic equation

Solving Quadratic Equation by Completing Square

MathematicsSubject
8 minEstimated read
Activity 2

Solve the given quadratic equation

Method
  • Solve \( x^2 - 9 = 0 \) by factorising the left side as a difference of two squares.
  • Solve the same equation again by moving 9 to the right side and writing it as \( 3^2 \). Compare the two answers.
  • Solve \( x^2 - 5x + 6 = 0 \) by moving 6 to the right side and completing the square on the left.
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