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

numbers that has 10 as a factor​
Angle MNP ~ Angle HJK. Both triangles are isosceles. If m
Why start topology is more reliable than bus or ringtone topology ?
Read MENU 5 of 5 < HOME NOTES GLOSSARY PRINT Knowledge mignorawus to the susp designed to evoke recues 2010 Jupitermages Corporation Assessment Instructions
Pleaseeeee helpppppppp meeeeeeee
what happens to matter when a wave travels through it?
Use Dot and cross method to show the bonding of the atoms and state the number of atoms of each element present a. Magnesium and Fluorine b. Sodium and Fluorin
Fill in the blank with the doler verb that best completes each sentence: a ti ___la nariz.
Please help me with this asap u will get brainlist
Write sin 64° in terms of cosine.