qwertylol12345
qwertylol12345 qwertylol12345
  • 03-02-2019
  • Mathematics
contestada

Bring the fraction a/a-4 to a denominator of 16-a^2

Respuesta :

mathecoach
mathecoach mathecoach
  • 03-02-2019

Answer:

a / (a - 4) = a(a + 4) / ((a - 4)(a + 4)) = (a^2 + 4a) / (a^2 - 16) = -(a^2 + 4a) / (16 - a^2)


Answer Link

Otras preguntas

what is greater 0.7 or 7/9?
A hiking club has 9 members. How many ways can they choose a president, vice president, secretary, and treasurer from among the members?
The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is (A) 3 (B) 12 (C) 21 (D) 36 (E) 72
if the score is 90% and the total is 70 what is the number correct ?
how does  a star form?
The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is (A) 3 (B) 12 (C) 21 (D) 36 (E) 72
Which physical feature has most limited the movement of people living in North America ?
Why do automobiles rust more easily in wet climates than drier climates?
what group was successful in achieving its goals at the congress of vienna , nationalists conservatists liberals or anarchists?
How is the ecological system organized?