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

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

Work out the percentage change when a price of £160 is decreased to £100.

Why might Wilson think that prohibiting secret agreements between nations is necessary in order to avoid war?

What were the first major peace agreements in the Middle East? *

A tree on a hillside casts a shadow 215 feet down the hill. If the angle of inclination of the hillside is 22 degrees to the horizontal and the angle of elevat

The wheels of a monster truck are 66 inches tall. Find the distance the monster truck travels when the tires make one 360-degree rotation. *

what number completes the sequence below?

Zainab is paid £10.75 per hour in New Look. a) Estimate how much she will earn if she works for 8 hours?

find the equivalent expression 12a + 6b a. 6(2a + b) b. 6(6a + b} c. 2(6a + 4b) d. 2(10b + 4b)

Plz help with this question I do not understand

Dr. Sheffield wants to investigate the causal relationship between frustration and memory. She divides participants into two groups using random assignment. One