SOLUTION: Hello I need some help with my homework, I do not know how to solve this equation, can you help me please. 2u^2-21u+55=(u-7)^2

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Hello I need some help with my homework, I do not know how to solve this equation, can you help me please. 2u^2-21u+55=(u-7)^2       Log On


   



Question 961520: Hello I need some help with my homework, I do not know how to solve this equation, can you help me please.
2u^2-21u+55=(u-7)^2

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Expand the right hand side,
2u%5E2-21u%2B55=u%5E2-14u%2B49
u%5E2-7u%2B6=0
%28u-1%29%28u-6%29=0
Two solutions:
u-1=0
u=1
and
u-6=0
u=6