jacqquelinee1 jacqquelinee1
  • 23-05-2017
  • Mathematics
contestada

what is the factored form of x2 + 3xy - 28y2?

Respuesta :

bcalle
bcalle bcalle
  • 23-05-2017
x^2 + 3xy - 28y^2
What are the factors of 28 that subtract to give you 3?
1 * 28, 2*14, 4*7, 7*4, 14*2, 28*1
1-28 = -27
2-14 = -12
4 - 7 = -3
7 - 4 = 3
14 - 2 = 12
28 -1 = 27
(x + 7y)(x - 4y)

Answer Link

Otras preguntas

128 is 74% of what number?
When does James Gatz change his name ? Why ?
Why are America's founding ideals important?
A people-moving conveyor-belt moves a 600-newton person a distance of 100 meters through the airport. a. How much work was done? b. The same 600-newton person l
what is .02439 repeating as a fraction
7/8,0.98,8/9 least to greatest
determine the part of speech in the sentence: at what time did you stop by?
What percentage of the total mass of KHCO₃ is made up by nonmetallic elements?  a. 17%  b. 83%  c. 61%  d. 20%  e. 50%
The area of a trapezoid is 40.92 square centimeters. One base of the trapezoid is 7.4 centimeters and its height is 6.2 centimeters.Which sentence explains how
what does ''death by a thousand cuts'' mean?