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-5(2b+3z)+2(2b-4z)= ile będzie ?
i
Zmień sumę na iloczyn
8(x+4)-5(x+4)
7(x-3)-(x-3)
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-5(2b+3z)+2(2b-4z)= -10b-15z+4b-8z=-6b-23z
8(x+4)-5(x+4)= 8x+32-5x-20=3x+12
7(x-3)-(x-3)=7x-21-x+3=6x-18
-5(2b+3z)+2(2b-4z)=-10b-15z+4b-8z=6b-23z
8(x+4)-5(x+4)=8x+32-5x-20=3x+12
licze na naj.
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-5(2b+3z)+2(2b-4z)= -10b-15z+4b-8z=-6b-23z
8(x+4)-5(x+4)= 8x+32-5x-20=3x+12
7(x-3)-(x-3)=7x-21-x+3=6x-18
-5(2b+3z)+2(2b-4z)=-10b-15z+4b-8z=6b-23z
8(x+4)-5(x+4)=8x+32-5x-20=3x+12
7(x-3)-(x-3)=7x-21-x+3=6x-18
licze na naj.