October 2018 1 22 Report

1.Zadanie .
a . 3x(x-7)=
b . a²(a + 2b - 1)=
c . -3xy(x + y - 3)=
d . 5x²(x³ + 3x - 1)=
2 . Zadanie .
a. 3(a + b) + (a - 2b)=
b. -4(x -z) - (x + y)=
c. 5(4x - 7) + (7 - 4x)=
d. (4x - y) - 2(x + y)=
e.2(3x - 2y + 3z) - 5(x - y - z)=
f. 4x(x - y - z) - 2x(4x - y + z =
g.-3x²(x-2/3y) + 5x(x² - 7xy)=


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