Solution Formulas Videos Final answer to the problem $\left(x+2\right)^{2}$ Got another answer? Verify it here! Step-by-step Solution Specify the solving method Choose an optionSimplifyFactorFactor by completing the squareFind the integralFind the derivativeFind the derivative using the definitionSolve by quadratic formula (general formula)Find the rootsFind break even pointsFind the discriminantSuggest another method or feature Send 1 The trinomial $x^2+4x+4$ is a perfect square trinomial, because it's discriminant is equal to zero $\Delta=b^2-4ac=4^2-4\left(1\right)\left(4\right) = 0$ 2 Using the perfect square trinomial formula $a^2+2ab+b^2=(a+b)^2,\:where\:a=\sqrt{x^2}\:and\:b=\sqrt{4}$ 3 Factoring the perfect square trinomial $\left(x+2\right)^{2}$ Final answer to the problem $\left(x+2\right)^{2}$