(X+1)(2x+9)-x(2x+1)
Matematika
ilhambahrun29
Pertanyaan
(X+1)(2x+9)-x(2x+1)
1 Jawaban
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1. Jawaban lisnataivilo
(x+1)(2x+9) - x(2x+1)
= 2x² + 9x + 2x + 9 - 2x² - x
= 2x² - 2x² + 9x + 2x - x + 9
= 10x + 9