NO 5 tolong bantu kaka yah
Matematika
prihatindwi21
Pertanyaan
NO 5 tolong bantu kaka yah
2 Jawaban
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1. Jawaban mohryanef
3x² - 5x + 7 - 2x² + 4x - 9
= 3x² - 2x² - 5x + 4x + 7 - 9
= x² - x - 2 -
2. Jawaban adivazayn
3x^2 - 5x + 7 - 2x^2 + 4x - 9
x^2 - x - 2
x^2 + x - 2x - 2
x(x + 1) - 2(x + 1)
(x - 2)(x + 1)