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b)-4(x+y) = -4x-4y
c) -5(-x+1) = 5x-5
d) -3a(⅓-a) = -a+3a²
e) (t-2s-1)*7 = 7t-14s-7
f) ½(2a-4b+1) = a -2b+½
g) m(2m+3) = 2m²+3m
h) 3p(2r+5p-1) = 6pr +15p²-3p
i) xy(2x-3y+5) = 2x²y - 3xy² +5xy
b)-4(x+y) = -4x-4y
c) -5(-x+1) = 5x-5
d) -3a(1/3-a) = -a+3a²
e) (t-2s-1)*7 = 7t-14s-7
f) 1/2(2a-4b+1) = a-2b+½
g) m(2m+3) = 2m²+3m
h) 3p(2r+5p-1) = 6pr+15p²-3p
i) xy(2x-3y+5) = 2x²y-3xy²+5xy