Question

Pake cara ya....
Sederhanakan lah...

a. 3x-15 / x²-2x-15 =
b. 2x+3 / 4x²-9 =
c. 8x-12 / 4x²-9 =

arti / itu per ...
plis..tolong aku...mksh ..

Answer 1

A. 3x-15 / x²-2x-15 = 3(x-5) / (x+3) (x-5) = 3/ (x+3) = 3 / x+3
b. 2x+3 / 4x²-9 = 2x+3 / (2x+3) (2x-3) = 1/ (2x-3)= 1/ 2x-3
c. 8x-12 / 4x²-9= 4(2x-3) / (2x+3) (2x-3) = 4/ 2x+3

Answer 2

A. 3(x-5)/(x-5)(x-3)
(x-5) dicoret
=3/x+3
b. 2x+3/(2x+3)(2x-3)
(2x+3) dicoret
=1/2x--3
c. 4(2x-3)/(2x+3)(2x-3)
(2x-3) dicoret
=4/2x+3