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

Do you think ants and aphids have a mutualistic relationship? Explain your answer.
Help write 2 paragraphs about this
An engineer can design skeletal structures that are more functional than those currently found in the forelimbs of such diverse mammals as horses, whales, and b
A cone has a radius of 2 and it’s volume is 29 cubic units. What is the height of the cone ?
What is the value of y
An element with a mass of 550 grams decays by 18.8% per minute. To the nearest minute, how long will it be until there are 60 grams of the element remaining
New Spain is to missions As New France is to?
What is minorter definition for film or theatre
Which expressions are equivalent to this expression? 30x2 − 5x − 10 5x(6x − x − 2) 5(2x − 1)(3x + 2) -5(-6x2 + x + 2) 3x(2x − 1) + 2(2x − 1) 5(2x + 1)(3x − 2) (
What is the scientific notation for 96,470,000