October 2018 1 42 Report
30 Poin.Aljabar,mohon bantuannya.Dengan caranya, Terima Kasih.
1.(6p - 5q -2r) + (-8p + 6q + 9r)
2.(8x² + 4x - 21) + (6x² - 14x + 7)
3.(7a + 14) - (9a + 12)
4.(2x² + 15x - 18) - ( 11x² - 17x + 24)
5.-5(4y² - 2y + 8) - 4(7y² + 6y - 5)

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