lustlarrywrites
lustlarrywrites lustlarrywrites
  • 16-08-2020
  • Mathematics
contestada

Factor the trinomial below.
x2 + 3x - 18
A. (x + 6)(x-3)
B. (x+9)(x-2)
C. (X-9)(x+2)
D. (x-6)(x+3)

Respuesta :

jimrgrant1 jimrgrant1
  • 16-08-2020

Answer:

A

Step-by-step explanation:

Given

x² + 3x - 18

Consider the factors of the constant term (- 18) which sum to give the coefficient of the x- term (+ 3)

The factors are + 6 and - 3, since

6 × - 3 = - 18 and 6 - 3 = + 3, thus

x² + 3x - 18 = (x + 6)(x - 3) → A

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 16-08-2020

Answer:

( x+6) ( x-3)

Step-by-step explanation:

x^2 + 3x - 18

What 2 numbers multiply to -18 and add to 3

6*-3 = -18

6+-3 = 3

( x+6) ( x-3)

Answer Link

Otras preguntas

the last testimony gave (the judge) a reason to doubt the defendants version of the story direct object indirect object predicate nominative predicate adjectiv
Hector drives 60 miles an hour from Amityville to Eaglecroft. If it takes him 5 hours and 45 minutes, what is the distance between the two cities
In Florida what age group had the highest rate of crashes in 2008?
What is the value of 6 in 5,165,874
Drug abusers can choose from a variety of treatments to overcome their illness. One kind of treatment is often necessary for serious forms of addiction, and it'
Name two functions of the exoskeleton
Shane's Mother is training for a marathon. On Saturdays, she runs 10 miles in 90 min. WHat is her average speed in miles per hour? I REALLY NEEED HELP!!
Which is closer to 2400 rounded to the nearest 100 2,493 or 2,353
express your answer in the smaller unit: 231 m 31 cm - 14 m 48 cm
greatest common factor for 20y3, 30y4, 40y6