callaway12x callaway12x
  • 01-03-2017
  • Mathematics
contestada

What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?

Respuesta :

morgaine816
morgaine816 morgaine816
  • 01-03-2017
4. Then you have x^2+4x+4 which gives you (x+2)(x+2) when you factor it.
Answer Link
michelpantoja07 michelpantoja07
  • 01-03-2017
ax^2+bx+x=0 so divide it by two
 x^2+4x+4(b=4, 4/2 is 2 and 2^2 is 4 that's the number
Answer Link

Otras preguntas

What is adaptation in animals and plants
Due to a membership drive for a public television station, the current membership is 125% of what it was a year ago. The current membership in 1200. How many me
If 2x+z=2y and 2x+2y+z=20 what is the value of y?
What steps did president Wilson have to take to make an official declaration of war?
Write in function form X+y=6..?
Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s c
Video club A charged $10 for membership and $3 for movie rental. Video Club B charges $15 for membership and $2 per movie rental. For how many movie rentals wil
What is the value of the 8 and 48?
Video club A charged $10 for membership and $3 for movie rental. Video Club B charges $15 for membership and $2 per movie rental. For how many movie rentals wil
names is often given to the journey of africans who were brought to the americas as slaves?