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= + + + 24
= + + 24
Semoga membantu^^
( 5a + 8 ) ( 8a + 3 ) = 40a² + 79a + 24
dikurang
( 5a + 8 ) - ( 8a + 3 ) = 5a + 8 - 8a - 3 = - 3a + 5 = 3a - 5
ditambah
5a + 8 + 8a + 3 = 13a + 13 = 13 ( a + 1 )