Розкладіть многочлен на множники:
1) 12ab – 18b2;
2) 21х7- 7х4;
3) 10а2с2 +15а2с – 20ас2;
4) 8х – 8у + ах – ау.
1) 12ab – 18b2;
2) 21х7- 7х4;
3) 10а2с2 +15а2с – 20ас2;
4) 8х – 8у + ах – ау.
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Answers & Comments
2) 7x⁴(3x³-1)
3) 5ac(2ac+3a-4c)
4) 8(x-y)+a(x-y)=(8+a)(x-y)
21x7-7x4=7x4(3x3-1)
10a2c2+15a2c-20ac2=5ac(2ac+3a-4c)
8x-8y+ax-ay=8(x-y)+a(x-y) =(x-y) (8+a)