= 2x ( 6 + 7b - 9q ) - 6 ( 1q - 6a + 9 )
= 2 x • ( 6 + 7b - 9q ) - 6 • ( 1q - 6a + 9 )
= 12x + 14bx - 18qx - 6q - 36a + 54
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penyelesaian :
= 2x ( 6 + 7b - 9q ) - 6 ( 1q - 6a + 9 )
= 2 x • ( 6 + 7b - 9q ) - 6 • ( 1q - 6a + 9 )
= 12x + 14bx - 18qx - 6q - 36a + 54