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Kelas 7Matematika
Bab 3 - Bentuk Aljabar - Materi
step 1 : menentukan nilai 3p - q
(2x + 3) (x + p) = 2x² - x + q
2x² + 2px + 3x + 3p = 2x² - x + q
3p - q = 2x² - 2x² - x - 2px - 3x
3p - q = -4x - 2px
3p - q = (-4 - 2p)x
3p - q = -2x (2 + p)