Erika1109 Erika1109
  • 23-01-2018
  • Mathematics
contestada

x^2 + x - 20
Please help me, for some reason I got stuck

Respuesta :

ilucadamo0876
ilucadamo0876 ilucadamo0876
  • 23-01-2018
x^2+x-20
x^2+5x-4x-20
x(x+5)-4(x+5)
(x-4)(x+5)
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