(3x+y) (3x+y) +(2x-3y) (2x-3y)
Matematika
Melaniamel
Pertanyaan
(3x+y) (3x+y) +(2x-3y) (2x-3y)
2 Jawaban
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1. Jawaban KhansaNblr
9x2+6xy+y2 + 4x2-12xy+9y2 = 13x2 - 6xy + 10y2 -
2. Jawaban Anonyme
Bab Aljabar
Matematika SMP Kelas VIII
(3x + y) (3x + y) + (2x - 3y) (2x - 3y)
= 9x² + 3xy + 3xy + y² + 4x² - 6xy - 6xy + 9y²
= 9x² + 4x² + 6xy - 12xy + y² + 9y²
= 13x² - 6xy + 10y²