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=4xpangkat2-8xy
2.8a.3ab 8a-2abpangkat2 8a-8ab
=24a pangkat2 - 16apangkat2bpangkat2 -64apangkat2b
3.apangkat2+2ab+bpangkat2
=xpangkat2+2(x)(3)+3.3
=xpangkat2+9x+9
=4x² - 8xy
2. 8a.3ab - 2ab².8a - 8ab.8a
=24a²b - 16a²b² - 64a²b
3. (x+3)²
=(x+3) (x+3)
4. (a+2) (a-3)
=(a.a) (a.-3) (2.a) (2.-3)
=a²-3a+2a-6
=a²-a-6
5. (a+4)²
=(a+4) (a+4)
kalo ga salah, kalo salah tolong benerin