# Step-by-step Solution

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## Step-by-step explanation

Problem to solve:

$factor\left(121+198x^6+81x^{12}\right)$

Learn how to solve factorization problems step by step online.

$\Delta=b^2-4ac=198^2-4\left(81\right)\left(121\right) = 0$

Learn how to solve factorization problems step by step online. Factor the expression 121+198x^6+81x^12. The trinomial 121+198x^6+81x^{12} is a perfect square trinomial, because it's discriminant is equal to zero. Using the perfect square trinomial formula. Factoring the perfect square trinomial.

$\left(9x^{6}+11\right)^{2}$
$factor\left(121+198x^6+81x^{12}\right)$