Explicación paso a paso:
[tex]( x - 2)(x + 2) = 3x \\ x {}^{2} + 2x - 2x- 4 = 3x \\x {}^{2} - 4 = 3x \\ x {}^{2} - 3x - 4 = 0 \\ (x - 4)(x +1) \\ [/tex]
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Explicación paso a paso:
[tex]( x - 2)(x + 2) = 3x \\ x {}^{2} + 2x - 2x- 4 = 3x \\x {}^{2} - 4 = 3x \\ x {}^{2} - 3x - 4 = 0 \\ (x - 4)(x +1) \\ [/tex]