SOLUTION: find the largest solution for the equation 2x(x+2)-5(x+2)=0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: find the largest solution for the equation 2x(x+2)-5(x+2)=0      Log On


   

Question 731269: find the largest solution for the equation 2x(x+2)-5(x+2)=0
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
the largest solution for the equation 2x%28x%2B2%29-5%28x%2B2%29=0...factor out

%282x-5%29%28x%2B2%29=0....use zero product rule to find
solutions:
%282x-5%29=0
2x=5
x=5%2F2
x+=2.5
and
x%2B2=0+
x+=-2
so,the largest solution is x+=2.5

+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C2x%2A%28x%2B2%29-5%28x%2B2%29%29+