drewwilson07
drewwilson07
04-04-2016
Mathematics
contestada
Factorise and Solve
Respuesta :
Panoyin
Panoyin
04-04-2016
x² + 8x - 20 = 0
x² + 10x - 2x - 20 = 0
x(x) + x(10) - 2(x) - 2(10) = 0
x(x + 10) - 2(x + 10) = 0
(x - 2)(x + 10) = 0
x - 2 = 0 or x + 10 = 0
+ 2 + 2 - 10 - 10
x = 2 or x = -10
The answer is B.
Answer Link
VER TODAS LAS RESPUESTAS ( 24+ )
Otras preguntas
Explain the fundamental problem that we have in dealing with the social problems facing our society.
The coordinate grid above shows a pentagon. The pentagon is translated 1 unit to the left and 10 units down to create a new pentagon. Which rule describes thi
The volume of a gas at 400.0ml when the pressure is 1.00atm. at the same temperature, what is the pressure at which the volume of the gas is 2.0l?
kim made soup which contains 75 total ounces of beans. - the soup has 2 kinds of beans, red & black - there are 4 times as many ounces of black beans as r
On the coordinate grid of a map. Jeff's house is located at (9, 5). Hannah's house is at (-5, -5). Kenya's house is located at the midpoint between Jeff and Han
thanks for not answering, I got it wrongGiven the domain {-1, 1, 4}, what is the range for the relation 12x + 6y = 12?A. {4,0,-6}B. {0,4,10}C. {-4,0,6}D. {0,3,6
Which describes a difference between the duties of House members and the duties of Senate members ?
What is the probability of randomly drawing 1 card that is both a red card and a face card, out of a standard deck of 52 playing cards?
What was the court decision for McDonald v. City of Chicago and why
If you are going to use the SAS postulate to prove these two triangles congruent what additional information do you need
