wykonaj mnozenie i zredukuj wyrazy podobne ;
A)(2x+y)(x+2y)
b)(2x+y)(x-2y)
c)(a-2b )(a+2b)
d)(3n-2)(n-6)
e)(x+2y+3)(x-2)
f)(2a-b+c)(2a-3b)
g)(a+2b-3c)(2a-3b)
h)-4(x+3)(x-2)
i)2n(n-2m)(3+m)
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cześć natalia
a)(2x+y)(x+2y) = (2x do kwadratu +y do kwadratu)
b)(2x+y)(x-2y)=3x do kwadratu -y do kwadratu
c)(a-2b )(a+2b)=-4b
d)(3n-2)(n-6)=2n do kwadratu - 8
e)(x+2y+3)(x-2)=2x do kwadratu +2y-1
f)(2a-b+c)(2a-3b)=-4b+c
g)(a+2b-3c)(2a-3b)=3a do kwadratu +5b-3c
h)-4(x+3)(x-2)=-4(x do kwadratu +4x do kwadratu)
i)2n(n-2m)(3+m)=3n(3mdo kwadratu +3
proszę