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(3q+2v)(2q-3v)-2(3q²-2v²)=6q²-9qv+4qv-6v²-6q²+4v²=
-2v²-5qv = -v(5q+2v)
Odp. A
2.
3(x+y)-2(x-y)=3x+3y-2x+2y=x+5y
Odp. B