# How do you factor a perfect square trinomial # 4a^2 − 10a − 25#?

##### 1 Answer

Jun 7, 2015

The equation #4a^2-10a-25 is not a perfect square trinomial. You will have to factor it with the quadratic formula.

Perfect square trinomials are the result of squaring binomials:

The last number in a perfect square trinomial cannot be negative because it is a squared number. For example:

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