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 ( 48+ )
Otras preguntas
A parent of a child with autism wants to know if you would recommend pharmacotherapy to treat the child. you respond:
Which health-related activity could be effectively completed using only Internet resources?
the length of a rectangle is as twice as great as it's width. when both the width and height are increased by 5 inches the new rectangle has a premetwe of 80 in
The student decides to use her plastic rod which takes a negative charge to decide which of her three other rods takes the biggest positive charge
Which statement best describes the plasma membrane of a living plant cell?
The study of sociology is based on which of the following premises?
If s is true and j is false, is the following true or false (~s v j) ^ (s v~ j)
What does DHCP stand for?
In the united states, most individuals begin school around age 5, whereas in australia they start at 3. this is an illustration of how development is
Was Madison right, or have factions sometimes gain control of our government?
