Zapisz sume w postaci iloczynu
a)-16x²y²-16x²yz-4x²z²=
b)72a²+48ab+8b²=
c)32a²-50b²=
d)18x²y²-48xy²+32y²=
e)27a²b²+36ab+12=
f)80x²y²-20a²b²=
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a)
-16x²y²-16x²yz-4x²z²= -4x(4xy²+4xyz+xz²)
b)
72a²+48ab+8b²= 8(9a²+6ab+b²)
c)
32a²-50b²= 2(16a²-25b²)
d)
18x²y²-48xy²+32y²= 2y(9x²y-24xy+16y)
e)
27a²b²+36ab+12= 0,5(54a²b²+72ab+24)
f)
80x²y²-20a²b²= 20(4x²y²-a²b²)