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The trinomial $x^2-10x+25$ is a perfect square trinomial, because it's discriminant is equal to zero
Learn how to solve limits by direct substitution problems step by step online.
$\Delta=b^2-4ac=-10^2-4\left(1\right)\left(25\right) = 0$
Learn how to solve limits by direct substitution problems step by step online. Find the limit of (x^2-10x+25)/(x^2-25) as x approaches 5. The trinomial x^2-10x+25 is a perfect square trinomial, because it's discriminant is equal to zero. Using the perfect square trinomial formula. Factoring the perfect square trinomial. Factor the difference of squares x^2-25 as the product of two conjugated binomials.