Wyłącz wspólny czynnik przed nawias.
20ax2* - 40ax =
18y + 27 =
ax + ay =
-12 - 18x =
4a + 2a2*=
2bx - by =
6mn - 9n =
12m2*n2* - 9m2*n + 21mn2 *=
45ab2* - 9a2*b =
2a + 8 =
*-do kwadratu
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20ax2* - 40ax =20x(ax - 2a)
18y + 27 =9(2y + 3)
ax + ay =a(x+y)
-12 - 18x =6(-2 -3x)
4a + 2a2*=2a(2+a)
2bx - by =b(2x-y)
6mn - 9n =3n(2m-3)
12m2*n2* - 9m2*n + 21mn2 *=3mn(4mn-3m+7n)
45ab2* - 9a2*b =9ab(5b-a)
2a + 8 =2(a+4)
Liczę na naj ;)