Oblicz wyrażenia algebraiczne a)3(a-2)= b)-4(x+y)= c)-5(-x=1)= d)-3a(jedna trzecia - a)= e)(t-2s-1)razy 7= f)jedna druga (2a-4b+1)= g)m(2m+3)= h)3p(2r+5p-1)= i)xy(2x-3y+5)= PROSZE !!! DAJE NAJ*

a)3(a-2)= 3a-6 b)-4(x+y)= -4x-4y c)-5(-x=1)= 5x-5 d)-3a(jedna trzecia - a)= -3/3a+3a² e)(t-2s-1)razy 7= 7t-14st-7 f)jedna druga (2a-4b+1)= a-2b+1/2 g)m(2m+3)= 2m²+3m h)3p(2r+5p-1)= 6pr+15p²-3p i)xy(2x-3y+5)= 2x²y-3xy²+5xy

a)3(a-2)= 3a-6 b)-4(x+y)= -4x-4y c)-5(-x=1)= 5x-5 d)-3a(jedna trzecia - a)= -3/3a+3a² e)(t-2s-1)razy 7= 7t-14st-7 f)jedna druga (2a-4b+1)= a-2b+1/2 g)m(2m+3)= 2m²+3m h)3p(2r+5p-1)= 6pr+15p²-3p i)xy(2x-3y+5)= 2x²y-3xy²+5xy

a)3(a-2)= 3a-6 b)-4(x+y)= -4x-4y c)-5(-x+1)= 5x-1 d)-3a(jedna trzecia - a)= -a+3a² e)(t-2s-1)razy 7= 7t-14s-7 f)jedna druga (2a-4b+1)= a-2b+1/2 g)m(2m+3)= 2m²+3m h)3p(2r+5p-1)= 6pr+15p²-3p i)xy(2x-3y+5)= 2x²y-3xy²+5xy