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Bagian a.
Hanya dengan:
Akarnya : 1/6
Bagian b.
Akar 1:
4x + 1 = 0
4x = -1
x = -1/4
Akar 2:
x + 4 = 0
x = -4
Maka,
Akar-akarnya: -1/4 dan 4
Bagian c.
Akar 1.
12y + 7 = 0
12y = -7
y = -7/12
Akar 2.
12y - 7 = 0
12y = 7
y = 7/12
Sehingga,
Akar-akarnya:
-7/12 dan 7/12