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(x + 4)(x - 1) = (x+2)(x - 3)
x² + 3x - 4 = x² -x -6 Simplificamos x²
3x - 4 = - x - 6
3x + x = - 6 +4
4x = - 2
x = -2/4
x = - 1/2
Respuesta.
x = - 1/2
Espero que te sirva, salu2!!!!