Wardlem Wardlem
  • 02-08-2017
  • Mathematics
contestada

Which of the following is a factor of both
X^2-2x-3 and x^2-5x-6?

Answer choices:
A. X-3
B. X+3
C. X-1
D.x+1

Respuesta :

irspow
irspow irspow
  • 02-08-2017
x^2-2x-3

x^2+x-3x-3

x(x+1)-3(x+1)

(x-3)(x+1)

...

x^2-5x-6

x^2+x-6x-6

x(x+1)-6(x+1)

(x-6)(x+1)

So the common factor is (x+1)
Answer Link
choixongdong
choixongdong choixongdong
  • 02-08-2017
X^2-2x-3 = (x - 3)(x + 1)
x^2-5x-6 = (x - 6)(x + 1)

answer
D.x+1
Answer Link

Otras preguntas

The empirical formula of styrene is CH; find the % composition for H and CH. How many atoms are present in a 2.00 gram sample of styrene? PLEASE HELP! THANK YO
Give an example of oxidation reaction which can be a nuisance
Why should mass not be represented by an arrow?
Is this a good thesis statement for my essay? The Earth has many life-threatening problems caused by humans. One of these problems is the over-consumption of w
how does art inspire some people
Simplify (7-8i)+(-12-4i)
Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n
simplify : 81s^2/36s^2
what are the similarities between insects and humans
simplify : 81s^2/36s^2