2 years ago

The methods of solving quadratic equations

1 answer:

8 0

There are three main ways of solving quadratic equations. The quadratic formula, factoring, and completing the square.

[1] using the quadratic formula

When the equation is in the form of ax² + bx + c = 0.

$\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Read more about the quadratic formula here:

[2] factoring

Read more about how to solve with factoring here:

[3] completing the square

To start out with completing the square, make sure your constant is isolated on one side. The equation will be as ax² + bx = -c

Read more about completing the square here:

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