danielthomasgreenwoo
danielthomasgreenwoo danielthomasgreenwoo
  • 21-08-2020
  • Mathematics
contestada

Factor: a² + 9a+20
A
(a-4)(-5)
B (a+2)(a +10)
C (-2)(a-10)
D (a+4)(a +5)

Respuesta :

bryanzavala133
bryanzavala133 bryanzavala133
  • 21-08-2020

Answer: is D

Answer is D

Answer Link
khalidtauhid9 khalidtauhid9
  • 21-08-2020

Using the simple method of quadratic expression:

we find two  numbers(the first and last word) that when we multiply is the same as when we add them together.

a²+9a+20

a²+4a+5a+20

The answer is D

a(a+4)+5(a+4)

(a+4)(a+5)

Answer Link

Otras preguntas

how much do you think a presidents personal beliefs should shape national policy
In geography, “scale” refers to __________. a. the depth of inquiry or the amount of details b. an instrument used to weigh things c. how someone perceives o
number pattern 192,96,48,24
The water table is the
how might world war 2 have influenced the writers of this document
Which organelle, if empty, would cause the plant to wilt? Why is this?
Two ratios that are equivalent to 1:1
Which of the Following developments is An example of imperialism
Which stores water and other products inside plant cells? a.)mitochondrion b.)chloroplast c.)cell wall d.)central vacuole
Why is the distance between the sun and Neptune dim light years