SpeedyGonzalez SpeedyGonzalez
  • 02-06-2017
  • Mathematics
contestada

Factor the trinomial: x2 - x - 56
(x + 1)(x - 56)
(x + 7)(x - 8)
(x - 1)(x - 56)
(x - 7)(x + 8)

Respuesta :

ghanami
ghanami ghanami
  • 02-06-2017
hello : 
x² -x -56 = (x + 7)(x - 8)
because : 
(x + 7)(x - 8) = x² - 8x +7x - 56
                                      = x² -x -56
Answer Link

Otras preguntas

Explain what is the same about two fractions that are like fractions
which trinomial is equivalent to (3x-1)(x+4)
what is the sum of 7/10 and 6/100
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
Explain what is the same about two fractions that are like fractions
having troubles with inequalities.. 3.8x + 14.5 < 32
Explain what is the same about two fractions that are like fractions
having troubles with inequalities.. 3.8x + 14.5 < 32
which trinomial is equivalent to (3x-1)(x+4)