SOLUTION: The area of a rectangle is represented by A=5x^2+102x+40. Factor the expression to find polynomials that represent the length and width of the rectangle

Question 1035205: The area of a rectangle is represented by A=5x^2+102x+40. Factor the expression to find polynomials that represent the length and width of the rectangle
Found 2 solutions by josgarithmetic, addingup:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Easier to find roots to help in factoring. You might use less advanced method by splitting the 40 into combinations as

Work with those if you want to.

Roots:

-200/10 or -4/10
-20 or -2/5

Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
factoring:
(x+20)(5x+2)
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