Question

1.6 per X+4 DIKURANG 2 PER X-5

2.5 PER 4X²-9+7 PER 2X-3

PLEASE.✌✌✌✌

Answer 1

1.6 /(X+4) - 2 /(X-5)
samakan oenyebutnya dk kpk (x +4)(x - 5)
6(x - 5) + 2(x + 4)
-------------------------
( x + 4)(x - 5)

6x - 30 + 2x + 8
-----------------------
(x + 4)(x - 5)

8x - 28
----------
(x + 4)(x - 5)

4( 2x - 7)
---------------
(x + 4)(x - 5)

2.5 /(4X²-9)+7/( 2X-3)
samakan penyebutnya, kpk (2x +3)(2x -3)
5 + 7(2x + 3)
--------------------
(2x +3)(2x -3)

5 + 14x + 21
------------------
(2x +3)(2x -3)

14x + 26
-------------
(2x +3)(2x -3)