answersLogoWhite

0


Best Answer

it is 121

User Avatar

Wiki User

โˆ™ 2011-06-22 17:42:54
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar

Add your answer:

Earn +20 pts
Q: What number must you add to complete the square x2 plus 22x equals 0?
Write your answer...
Submit
Related questions

What number must you add to complete the square x2 plus 2x equals -1?

You must add 1


What number must you add to complete the square x2 minus 4x equals 1?

4


What number must you add to complete the square x2 plus 24x equals 17n?

You must add (17n + 144).


What number must you add to complete the square x2 plus 10x equals 31?

You need to add -6


What number must you add to complete the square x2 plus 12x equals 40?

You must add 36 to complete the square on the left hand side.You must add 36 to complete the square on the left hand side.You must add 36 to complete the square on the left hand side.You must add 36 to complete the square on the left hand side.


What number must you add to complete the square x2 plus 16x equals -7?

square root -5 minus 14 or - square root -5 minus 14


What number must you add to complete the square of x2 plus 12x equals 40?

The constant term - the part without a variable - must be equal to the square of one half the linear term - the number in front of the "x". That is, it must be (12/2)2 = 36.


What number must be added to complete the square of x SQUARED plus 12x equals -3?

9


What number must be added to the polynomial to complete the perfect square x2-24x?

144


What number must be added to the polynomial to complete the square x2-5x?

-3


What number must be added to the polynomial to complete the square x2 - 20x?

Adding 100 completes the square. { I wonder why you want to complete the square when the expression already factors as x(x-20) }.


What number must be added to the polynomial to complete the square x2-9x?

-7


What number must be added to the polynomial to complete the square x2 7x?

49/4 or 12.25


What number must you add to complete the square of x2 plus 20x equals 39?

x2 + 20x - 39 = 0: Add 61 giving: x2 + 20x + 100 = (x + 10)2


What number must you add to complete the square x2 plus 18x equals 29?

If: x^2 +18x = 29 Then completing the square: (x+9)^2 -81 = 29 or (x+9)^2 = 110


What number must you add to complete the square of x to the power of 2 plus18x subtracted by13?

94


What number must you add to complete the square x2 plus 2x 23?

You need to add -22.


What number must you add to complete the square of x2 12x -9?

The idea is to take half the linear part (12, in this case), then square it. The constant part must be equal to this result.


Is 120 a square number?

No it is not. If you want to get a square number you must multiply a number by its self.


What number must you add to complete the square of x2 12x equals -9?

x2+12x + 9 = 0. we want the 9 to be a 36. so add 27 to both sides. then (x+6)2-27 = 0.


What number do you add to complete the square x2-19?

-17


What number must you add to complete the square x2 4x 7?

Put in the - or + values for 4x and 7 is the first step in finding the number needed


What number must you add to complete the square of x2 6x17?

x2+6x+17 = (x+3)2+8, so you must add -8.


What number must you add to complete the square of x2 12x equals 9?

Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "equals", "squared".


What number must you add to complete the square of x2 plus 2x equals -1?

x2+2x+1 = 0 (x+1)(x+1) = 0 x = -1 and also x = -1

Study guides

๐Ÿ““
Create a Study Guide