SOLUTION: this quadratic equation needs to be factored please help. a parallelagram x+1=a and 2x+1= b what is the base and height if the area is 45sq. units please show work

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: this quadratic equation needs to be factored please help. a parallelagram x+1=a and 2x+1= b what is the base and height if the area is 45sq. units please show work      Log On


   

Question 162540This question is from textbook Biginning Algebra
: this quadratic equation needs to be factored please help.
a parallelagram x+1=a and 2x+1= b what is the base and height if the area is 45sq. units
please show work This question is from textbook Biginning Algebra

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(X+1)(2X+1)=45
2X^2+3X+1=45
2X^2+3X+1-45=0
2X^2+3X-44=0
(2X+11)(X-4)=0
X-4=0
X=4
(4+1)=5 FOR A
(2*4+1)=9 FOR B
PROOF:
5*9=45