Respuestas

  • Usuario de Brainly
2012-09-18T06:01:29+02:00

x4+5x2+25-(x2+2x+x+2)(x2+4x+3x+12)

x4+5x2+25-(x2+3x+2)(x2+7x+12)

x4+5x2+25-(x4+21x2+24)

x4+5x2+25-x4-21x2-24

16x2+1

16x2=-1

se le saca la raiz

4x=-1

x=-1/4