Jawabannya apa ya

<p>Jawaban yang tepat adalah A. x² - 3x + 9&nbsp;</p><p>&nbsp;</p><p>Pembahasan :</p><p>Pengurangan 2x² + x - 3 - 6pr -3rx dari 3x² - 2x + 6</p><p>kalau meluhat persamaan ada pr dan rx sepertinya salah soalnya karena dipilihan jawaban gak ada variabel itu. Coba saya kerjakan dan saya hilangkan variabel tsb.</p><p>(3x² - 2x + 6) - (2x² + x - 3) = 3x² - 2x + 6 - 2x² - x + 3</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp;3x² &nbsp;- 2x² - 2x - x + 3 &nbsp;+ 6&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp;x² - 3x + 9&nbsp;</p><p>Jawaban : A</p>