1-2-3 Magic in the Classroom: Effective Discipline for Pre-K Through Grade 8, 2nd Edition

1-2-3 Magic in the Classroom: Effective Discipline for Pre-K Through Grade 8, 2nd Edition

Matematika bantu jawab kakak-kakak

bsk di kumpul​

bantu jawab kakak-kakak

bsk di kumpul​

Jawaban:

x = -1/4

x + 1/4 = 0

dan

x = 6

x - 6 = 0

(x + 1/4) (x - 6) = 0

x² - 6x + 1/4x - 6/4 = 0

4x² - 24x + x - 6 = 0

4x² - 23x - 6 = 0

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