Explicación paso a paso:
[tex]( \times + 2) ^{2} = { \times }^{2} + 4 \times + 4 \\ ( \times + 2)( \times + 3) = { \times }^{2} + 5 \times + 6 \\( \times + 1)(x - 1) = ( \times - 1) ^{2} \\ {( \times + 1)}^{2} = { \times }^{2} + 2 \times + 1[/tex]
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Explicación paso a paso:
[tex]( \times + 2) ^{2} = { \times }^{2} + 4 \times + 4 \\ ( \times + 2)( \times + 3) = { \times }^{2} + 5 \times + 6 \\( \times + 1)(x - 1) = ( \times - 1) ^{2} \\ {( \times + 1)}^{2} = { \times }^{2} + 2 \times + 1[/tex]