October 2018 1 10 Report

1. Oblicz .
a. (x + 2)(y +1)=
b. (a - 1)(a² - b²)=
c. (x-1)(x+2)=
d. (3a + 4)(a-5)=
e. (2t+1)(1-3t)=
f.(3ab - 7)(3 - 7ab)=
g. (-x+y)(5x+6y)=
h.(x + 5y)(7x - y)=
i. (2x <to ² tylko 4> - y)(x<to ² tylko 4> +y)=
j. (ab - a)(2ab + 6a)=


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