SOLUTION: a rectangular prism has a volume of 3x^2+8x^2-45x-50. if the height is (x+5) find its length and width

Algebra ->  Rectangles -> SOLUTION: a rectangular prism has a volume of 3x^2+8x^2-45x-50. if the height is (x+5) find its length and width      Log On


   

Question 875212: a rectangular prism has a volume of 3x^2+8x^2-45x-50. if the height is (x+5) find its length and width
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Using synthetic Division

-5	3	8	-45	-50

		-15	35	50

	3	-7	-10	0

3x^2 - 7x - 10 = 0

(3x -10)(x + 1) = 0

L and width are: (3x-10) and (x+1)