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8a² x 8a² + 2 x b x 8a² + b x b
= 64a pangkat 4 + 8a² 2b + b²
2. 6a - 9ab = 2a - 3ab jadi langsung saja dibagi tapi kedua angka tersebut harus bisa
3 dibagi angka 3
=64a^4b^2
2.4x^2-8x^2+4
=-4x^2+4
=(-x-2)(x-2)
3. 6a-9ab/3
=2a-3ab