Respuestas

  • Usuario de Brainly
2013-05-31T18:48:32+02:00
X-10x+9
x=-2
-2-10(-2)+9=27
X=-4
-4-10(-4)+9=45
x=2
2-10(2)+9=-9
x=4
4-10(4)+9=-27

suer
-4-10(-4)+9=45




2013-05-31T18:48:36+02:00
2x(-2)-10x(-2)+9=25
2x(-4)-10x(-4)+9=41
2x(4)-10x(4)+9=-23