Question

Quadratic Equations
How do I solve a quadratic equation?

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Answer 1

Factoring / factorisation

Completing the Square.

Quadratic Formula.

Graphing.

Explanation:

Answer 2

Completing the square

Put the equation into the form ax 2 + bx = – c.

Make sure that a = 1 (if a ≠ 1, multiply through the equation by. before proceeding).

Using the value of b from this new equation, add. ...

Find the square root of both sides of the equation.

Solve the resulting equation.

Explanation: