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

describe how the International Monetary Fund (IMF) receives funding.
How do I solve for the width.
Why was the Soviet Union not affected by the stock market crash
If left untreated, gonorrhea can lead to all of the following except: A. chancres in males or females B. scarring of the urethra in males C. pelvic inflamma
A textbook in the college bookstore had an original price of $185.50. Since then the inflation rate has been 4%. Find the current price of the book. $189.50 $19
Does the direction change in different regions of the world?
Mark can clean his fathers office in 30 minutes his younger sister Lynn can you clean the office in 40 minutes how long will it take the two of them to clean th
HELP PLEASE!!! Im taking a post test and I need to pass this!!! Parents of disabled children can also make use of easily available adaptive tools such as ____
Please help me thank you
List some characteristics of successful enterepreneurs