SOLUTION: Please help me solve this equation: x^2+11x+21/4=0 It is called completing the square and has to do with solving quadratic equations.

Algebra.Com
Question 196863This question is from textbook McDougal Littell Algebra 1
: Please help me solve this equation: x^2+11x+21/4=0
It is called completing the square and has to do with solving quadratic equations.
This question is from textbook McDougal Littell Algebra 1

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!

:
--->
:
x+11/2=5 and x+11/2=-5
:
x=-1/2 and x=-21/2

RELATED QUESTIONS

Please help me solve this equation: x^2+5x-11/4=0 It is called "completing the square" (answered by jim_thompson5910)
Please help me solve this equation: x^2+3/5x-1=0 It is called completing the square... (answered by jim_thompson5910)
Please help me solve this equation: 4x^2+4x-11=0 It is called "completing the square"... (answered by stanbon)
Please help me solve this equation: 4x^2+6x-6=2 It is called completing the square and (answered by jim_thompson5910)
Please help me solve this equation: 5x^2-20x-20=5 It is called completing the square... (answered by jim_thompson5910)
please help me to solve this equation x^2-6x-41=0 by completing the... (answered by Tatiana_Stebko,ewatrrr)
Please help me solve this equation. it is completing the square: 2b2 + 7b +... (answered by stanbon)
Can anyone help me with ANY of these? Please... 1. Solve for the roots by factoring. (answered by solver91311)
Will you please help me with this equation? Solve {{{ x^2+6x+10=0}}} by completing the... (answered by scott8148)