Y9. Algebra. Quadratic Equations. Solving

One of the main benefits of factorising quadratic expressions is that it allows us to solve quadratic equations. Let’s see this in practice below:


Solve x2-5x+6=0;

Solve 6x2-x-15=0.

Notice that a quadratic equation will typically (though not always) have two solutions.


Let’s complete exercise 19G from pages 314 and 315 of the textbook:

The answers are below:

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