September 2018 2 78 Report
1 . SEDERHANAKANLAH BENTUK ALJABAR BERIKUT !
A. 7a + 5b - 2a
b. 5x + 7y - 3x - 2y
c. 7x² - 3x + 4x² - 6x

2. tentukan jumlah dari :
a. 6a + 7 dan 2a - 4
b. -x² + 5xy dan 4x² - 4xy

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