SOLUTION: How do you find x when a rectangles sides are Length= x Width= x+13 And the area is 285cm^2 I get it set up to X(x+13) = 285cm^2 X^2 + 13x = 285cm^2

Question 845911: How do you find x when a rectangles sides are
Length= x
Width= x+13
And the area is 285cm^2
I get it set up to
X(x+13) = 285cm^2
X^2 + 13x = 285cm^2
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The only mistake is the incorrect case-level for x. Otherwise, your steps are good. What is stopping your from continuing?

Is factorable? If you believe so, then find the factorization. If you are not sure if factorable, use the general solution of a quadratic equation.

. A value of 13 will not come from any of this.

General Solution:

Also , three prime factors.
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