2. 2а(а – 4b)= …
3. 3 (-k +2m ) = …
4. 6(-2р -3t) = …
5. (2x+3) (x+5) = …
6. (y+5)(3y+1) = …
7. (4a+3)(a-2) = …
8.(5c-2)(4c+6) = …
9.(2a-3)(8a-4) = …
10. (5x+4)(5x-4) = …
1. 2(a +5ь)= …
jawaban:
1.2a+10b
2.2a²-8ab
3.-3k+6m
4.-12p-18t
5.2x²+10x+3x+15=2x²+13x+15
6.3y²+y+15y+5=3y²+16y+5
7.4a²-5a-6
8.20c²+22c-12
9.16a²-32a+12
10.25x²-16
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