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 ( 22+ )
Otras preguntas
How do I solve for y (48,6)(20,y)
who came up with the mandela affect?
What would you tell someone who insists that they can get all the nutrients they need from a vitamin supplement??
Anchorage commissary were closed 3 days
What does 519 divided by 6 equal
Name a part that does NOT BELONG in the animal cell (as you figured out during construction)
What only sure evidence for a chemical reaction is?
In general, which of the following is NOT true concerning teens and marriage? A. Many married teens may experience changes in friendships. B. Many married teens
Why are certain toads in the amphibian family call spadefoot toad?
Early missionaries in Oklahoma Territory provided medical aid, crisis mediation, and __________ services. A. transportation B. stock speculation C. voting co