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d) (x+5z)(b-11)
e)(a-6b)(-8-13b)
f) (a-4b)(2b-7a)
d) (x+5z)(b-11)=xb-11x+5bz-55z
e)(a-6b)(-8-13b)=-8a-13ab+48b+78b²
f) (a-4b)(2b-7a)=2ab-7a²-8b²+28ab=-7a²-8b²+30ab
d) (x+5z)(b-11) = xb-11x+5zb-55z
e)(a-6b)(-8-13b) = -8a-13ab+48b+78b(kwadrat)
f) (a-4b)(2b-7a) = 2ab-7a(kwadrat)-8b(kwadrat) +28ab = -7a(kwadrat)-8b(kwadrat)+ 30ab
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d) (x+5z)(b-11)=xb-11x+5bz-55z
e)(a-6b)(-8-13b)=-8a-13ab+48b+78b²
f) (a-4b)(2b-7a)=2ab-7a²-8b²+28ab=-7a²-8b²+30ab
d) (x+5z)(b-11) = xb-11x+5zb-55z
e)(a-6b)(-8-13b) = -8a-13ab+48b+78b(kwadrat)
f) (a-4b)(2b-7a) = 2ab-7a(kwadrat)-8b(kwadrat) +28ab = -7a(kwadrat)-8b(kwadrat)+ 30ab