7 ( x^2 - x ) - 8 ( x^2 - 2x ) = ....
Matematika
tania385
Pertanyaan
7 ( x^2 - x ) - 8 ( x^2 - 2x ) = ....
1 Jawaban
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1. Jawaban FanSu
= 7x^2 - 7x - 8x^2 + 16x
=-x^2 + 9x