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2a-6b+4b-9a+3b
-7a+b
b)4(x + 5y) - 7(3x - y) + 3y - x
4x+20y-21x+7y+3y-x
-18x+30y
c)3a(2 - 5b)-4b(2-3b)+ab
6a-15ab-8b+12b²+ab
6a-14ab-8b+12b²
d)4x(y-7-3y(-3-5x)+x(y-3)
Wyłącz wspólny czynnik przed nawias
a) 45x² - 18y
3 (15x²-6y)
b) 32xy + 16x
16 (2xy+x)
c) 3ab - 6a + 12
3(ab-2a+4)
d)-12x²y + 6xy² - 18xy
6(-2x²y+xy²-3xy)
e) 25x³y + 10xy - 5y
5(5x³y+2xy-y)
f) 144a²b² - 72a²b + 36ab²
36 (4a²b²-2a²b+ab²)
b)4x+20y-21x+7y+3y-x=-18x+30y
c)6a-15ab-8b+12b(kwadrat)+ab=6a-8b+12b(kwadrat)-14ab
d)4xy-28x+9y+15xy+xy-3x=-31x+9y+20xy
a)9x(5x-2y)
b)8(4xy+2x)
c)3(ab-2a+4)
d)-2x(6xy+6y(kwadrat)+9y)
e)5x(kwadrat)y(2y-y)