jaelyndrew jaelyndrew
  • 22-03-2020
  • Mathematics
contestada

solve for all values of x by factoring
x^2-2x-4=-2x+5

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-03-2020

Answer:

x=3      x=-3

Step-by-step explanation:

x^2-2x-4=-2x+5

Add 2x to each side

x^2-2x+2x-4=-2x+2x+5

x^2 -4 =5

Subtract 5 from each side

x^2 -4-5 = 5-5

x^2 -9 =0

This is the difference of squares

(x-3) (x+3) =0

Using the zero product property

x-3 =0    x+3 =0

x=3      x=-3

Answer Link

Otras preguntas

. Which additional word or words in the sentence should be capitalized? When David registered for college, he signed up for physics 300 and art history 200. Cho
Before there was any life on earth, which gas was absent from earth’s ancient atmosphere? A. nitrogen B. ammonia C. oxygen D. methane
X^4-100=0 solve the equation by factoring
please help me!! im stuck! explain the influence of the space race on the cold war
Which sentence does not contain any errors in comma usage? A. Dad quickly wiped down the counters which were very sticky. B. Shakespeare who wrote Romeo and Jul
7x-x=x+35 how do I slove this
b squared minus 4b plus 4 equals 0
System that transports nutrients and waste and plays a role in the immune response
Why did many utopian communities form at this time? A.to bear many children B.to create political strategies C.to escape rapid modernization D.to secure afforda
which description of the term Manifest destiny is correct