Question

Darurat kk , no 5, 11, 24, sama 25 aja , tolong yh jangan lupa jalannya !!!

Answer 1

5) Jawab C
3(9q² - 16r²) = 3(3q +4r)(3q-4r)
.
11) Jawab C
(x²-2x -24)/(x² - 4x -12) = (x-6)(x+4) / (x-6)(x+2) = (x+4)/(x+2)
.
24)Jaab A
2/ 3a - 5/4b = 
= {2(4b) - 5(3a)}/ (3a)(4b)
= { 8b - 15 a)/ (12 ab)
atau
= (-15 a + 8b)/(12ab)
.
25) jawab A
(x^2 -4)/ (x^2 -x-6) = (x+2)(x-2)/ (x +2)(x-3)
= (x-2)/(x-3)