February 2019 0 21 Report
Zapisz sumę w postaci iloczynu.
a)169 x^{2} -144 b^{2} - 13x + 12b
b)225 x^{2} -90xy + 9 y^{2} + 3(5x-y)
c)7a-11x+121 x^{2} -154ax+49a
d)8 x^{4} -32 y^{4}
e) x^{8} -16
f) x^{5} -4x

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