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2) b²+6b-4b-24 = b²+2b-24
3) 6m²+6m+12m+12 = 6m²+18m+12
4) K = 4.s
= 4.(x+4)
= (4x+16) cm
L = s²
= (x+4)²
= x²+2.x.4+4²
= (x²+8x+16) cm²
5) L = p.l
= (5x+4).(2x+1)
= 10x²+5x+8x+4
= (10x²+13x+4) cm²
k=4.(x+4)
k= 4+16
L=s²
L= (x+4)²
L= x²+8x+16
11. k = 2(p+l)
k=2((5x+4)+(2x+ 1))
k= 2(7x+5)
k=14x+10
L=p.l
L= (5x+4)(2x+1)
L= 10x²+13x+4
12. 1, 4,6,4,1
m⁴-8m³+24m²-32m+16
13. 36a⁴b²
14. 16p^6
15. ndk jelas angkanya
16. pertanyaannya apa ?
17. (x-y)²-2y =x²-2y+y²-2y = x²-4y+y²
swmoga bisa dipahami dan bisa memantu