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 ( 58+ )
Otras preguntas
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! Fill in the blank with the correct pronoun. Mis amigas leen mucho. ______ les gusta la serie de Harry Potter.
How big was the Navajo tribe
Many subcortical structures, such as the hippocampus and amygdala, come in groups of two. why? a.anatomy involves symmetry. b.there is a hindbrain and midbrain.
This connective tissue type contains elastic fibers and is found in the lungs. this tissue allows the lungs to inflate during inhalation and return to their ori
I need help on this one please
Scientists often try to repeat each other’s results. Which of the following should a scientist do to make it easier for others to replicate his or her experime
What proposal by alexander hamilton found little support in the constitutional convention? granting states the right to create their own tariffs a democraticall
What are we responsible for as citizens in a free society?
How could you verify that an unlabeled soft drink is diet soda rather than soda sweetened with fructose?
Great Britain entered world war 1 primarily because
