Question

X²-16/x²-6x+9 : 4-x/x²-9
jawabya yang betul...
yg jawab aku doain masuk surga

Answer 1

X^2-16 4-x
---------- ÷ ----------
x^2-6x +9 x^2-9

x^2-16 x^2-9
---------- × --------
x^2-6x+9 4-x

(x+4)(x-4) (x+3)(x-3)
------------ × ----------
(x-3)(x-3) (4-x)

(x+4)(x-4) (x+3)
------------- × ---------
(x-3) -(x-4)

(x+4)(x+3)
---------------
-(x-3)