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7.2: Trinomios cuadráticos factoriales con coeficiente principal 1
https://espanol.libretexts.org/Matematicas/Algebra/Libro%3A_Algebra_elemental_(OpenStax)/07%3A_Factoring/7.02%3A_Trinomios_cuadr%C3%A1ticos_factoriales_con_coeficiente_principal_1
$\begin{array}{ll}{x^{2}+5 x+6} & {x^{2}+b x+c} \\ {(x+2)(x+3)} & {(x+m)(x+n)}\end{array}$ \[\begin{array}{cc}{\text { b positive }} & {\text { b negative }} \\ {m, n \text { positive }} & {m, n \te... $\begin{array}{ll}{x^{2}+5 x+6} & {x^{2}+b x+c} \\ {(x+2)(x+3)} & {(x+m)(x+n)}\end{array}$ $\begin{array}{cc}{\text { b positive }} & {\text { b negative }} \\ {m, n \text { positive }} & {m, n \text { negative }} \\ {x^{2}+5 x+6} & {x^{2}-6 x+8} \\ {(x+2)(x+3)} & {(x-4)(x-2)} \\ {\text { same signs }} & {\text { same signs }}\end{array}$ $\begin{array}{l}{(x+6 y)(x+6 y)} \\ {x^{2}+6 x y+6 x y+36 y^{2}} \\ {x^{2}+12 x y+36 y^{2}}\checkmark \end{array}$

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