Unit 5: Lesson 2 Adding and Subtracting Rational Expressions Apply, algebra homework help

OPEN ENDED Write two polynomials that have a LCM of d3-dWriting in Math Use the information on page 470 to explain how subtraction of rational expressions is used in photography. Include an equation that could be used to find the distance between the lens and the film if the focal length of the lens is 50 millimeters and the distance between the lens and the object is 1000 millimeters.