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

Beverly watches only fox news because its reporters and commentators reinforce her existing beliefs and attitudes. beverly is engaging in __________.
how to do this ......??
Write the trigonometric expression as an algebraic expression in u. cos (sin-1 u)
How was the computer built by the us able to help the war effort
Two ropes, AD and BD, are tied to a peg on the ground at point D. The other ends of the ropes are tied to points A and B on a flagpole, as shown below: Two rop
which of the following is are ways to give feedback a. offering a compliment b.nodding at the speaker to acknowledge that you understood c.focusing on.persons e
What is the likely reason why adbusters publishes a magazine with spoof advertisements?
Amy and Fraser walk inside a circular lawn. Point O is the center of the lawn, as shown below: A circle is drawn. The center of the circle is labeled O. Points
Reduction of saturated fat intake is known to reduce low density lipoproteins (ldls). a. True b. False
Is – 7 a solution to the equation 8 open parentheses 1 fourth x space plus space 3 over 4 close parentheses space minus space 3 equals 17