October 2018 1 30 Report

1.Zapisz w jak najprostszej postaci:

a) (a+3)(a-1)+(a-7)(a+5)=

b) (2b-5)(3-2b)-(3b+2)(b-6)=

c) -7c kwadrat (5c-4)+(3c kwadrat +c)(6-2c)=

d) (3m(m-4)(5m+2)-m(2m+3)(4-3m)=

e) -2x(3x-5y)-(x+2y)(3x-y)=


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