advance functions gr12 HELP ASAP
posted by ALEX .
using rational functions solve (x+5)/(x3)= (2x+7)/(x)
thank you

as with all fractions , crossmultiply to get rid of them:
(x+5)(x) = (2x+7)(x3) assuming x≠0,3
x^2+5x = 2x^2+x21
x^24x21 = 0
(x7)(x+3) = 0
x = 3,7
check:
(3+5)/(33) = 1/3 = (6+7)/(3)
(7+5)/(73) = 3 = (14+7)/7
Respond to this Question
Similar Questions

Calculus
We're learning about different kinds of functions and I don't really understand the difference between rational and algebraic functions. I know that rational functions are functions that are a ratio of two polynomials, and algebraic … 
advance functions gr 12
Using rational functions solve x+5(numerator) x3 (denominator) = 2x+7 (numerator) x(demominator) 
advance functions gr 12
Using rational functions solve x+5(numerator) x3 (denominator) = 2x+7 (numerator) x(demominator) 
Math advance functions gr 12
Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x2(demominator) 
advance functions gr 12
Using rational functions solve 3(numerator) 2x4 (denominator) < (with a "" underneath) 4 (numerator) x2(demominator) 
advance functions gr 12
Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x2(demominator) 
advance functions gr12
Using rational functions solve (7+ 1)/x = 1/(x2) 
advance functions gr12 (SORRY LAST ONE HAD A TYPO)
Using rational functions solve 7+ (1)/x = 1/(x2) 
advance functions gr12 HELP ASAP
Using rational functions solve 7+ (1)/x = 1/(x2) thank you 
advance functions gr12 HELP ASAP
use the asymptotes and intercepts to make a quick sketch of the function f(x)= x2 (numerator) x+4(denominator) and its reciprocal f^r = x+4 (numerator) x2 (denominator) on the same set of axes. b) describe the symmetry in the graphs …