What is the difference? x/x^2-2x-15 -4/x^2+2x-35 '
a. x^2+3x+12/(x-3(x-5)(x+7)
b. x(x+3-12)/(x+3)(x-5)(x+7)
c. x^2+3x+12/(x+3)(x-5)(x+7)
d. x^2+3x-12/(x+3)(x-5)(x+7)

Option D.

Step-by-step explanation:

The given expression is :

Factoring the denominators we have:

Making denominators same and simplifying the fractions  we have:

Option D is the right anser.

es una operación aritmética.

step-by-step explanation:

no se que fórmula requiera, pero te puedo decir que es adición. deberías revisar porque tema vas y ver que fórmulas puedes aplicar.

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.