rodrigocavazos2
rodrigocavazos2
25-01-2018
Mathematics
contestada
Help me please and thank you
Respuesta :
choixongdong
choixongdong
25-01-2018
2x + 5 3x + 5 x + 1
--------------- - ----------------- - -------------------
x(x - 3) x (x+3)(x-3) (x +3)(x - 3)
(x + 3) (2x + 5) - (3x + 5) - x ( x + 1)
= ---------------------------------------------------------
x (x+3)(x-3)
2x^2 +6x +5x + 15 -3x - 5 -x^2 - x
= -----------------------------------------------
x (x+3)(x-3)
x^2 + 7x + 10
= --------------------
x (x+3)(x-3)
(x +5)(x+2)
= --------------------
x (x+3)(x-3)
or
(x +5)(x+2)
= --------------------
x^3 - 9
answer is A. first one
Answer Link
VER TODAS LAS RESPUESTAS ( 57+ )
Otras preguntas
Suppose you are a salesperson for Acme Dynamite Co. Each month you earn $2200 plus one fifteenth of your sales. What must your sales be this month to earn $4000
An employee has been told that he will be eligible for a large bonus if his current project is a success. He knows that the project will take a lot of work and
If you wanted to compare the best day of the week for sales with the worst day of the week for sales, you would compare A) laptop sales on Tuesday and Monday.
Roberta is a customer service representative at a car rental company. Read the passage. Which actions might lead to increased customer satisfaction in the compa
What does the statement “the United States was born on the farm and moved to the city” mean?
Rhonda planned to open a pastry shop in a resort town on the east coast. As she pondered her organizational set-up, she decided she would need four employees to
Identify the location of the Mauryan Empire.
A student scored in the 70th percentile on her history exam. What does this student's score mean in relation to those of the other test takers?
if the balance indicated that the evaporating dish has a mass of 44.8 g and you want to have exactly 5.0 g of copper. what should be the balance read with the c
What is the range of the following relation? {(-1, 1), (-2, 2), (-3, 3), (-4,4), (-5,5)} O {1, 2, 3, 4,5) O (-1, -2, -3, -4.-5} 0 (-1, -2, -3, -4,-5, 1, 2, 3, 4