(7x²+6x+9)+(2x²-13x+7)
Matematika
giyzellah
Pertanyaan
(7x²+6x+9)+(2x²-13x+7)
1 Jawaban
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1. Jawaban diahsaputri2
(7x²+6x+9)+(2x²-13x+7) =
=7x²+2x²+6x-13x+9+7
=9x²-7x+16