Bantuin dong wa tau kalian baik banget v:

X^ – x – 72 = 0
( x – 9 ) ( x + 8 ) = 0
x, = 9
x,, = -8

6x^ + 4x – 42 = 0
3x^ + 2x – 21 = 0
( 3x + 7 ) ( x – 3 ) = 0
x, = -7/3
x,, = 3

Semoga bisa membantu ya