Question

cara no 29-31
(pake cara)

Answer 1

Semoga membantu. semangat terus belajar nya.

Answer 2

29) x^2 + 2x - 24 = 0

( x + 6 ) ( x - 4 ) = 0

x + 6 = 0

x = -6 ----> D) -6

x - 4 = 0

x = 4

x = 4

30) x^2 + x - 30

( x + 6 ) ( x - 5 )

x = -6

x = 5 -----> B)

31) 2x^2 - 11x + 5

( 2x - 1 ) ( x - 5 ) = 0

2x - 1 = 0

2x = 1

x = 1/2

x - 5 = 0

x = 5 jadi jawabannya A) 1/2 , 5