Przekształć różnicę kwadratów na iloczyn
a) (x-y)(x+y)
b) )a-6)(a+6)
c) (3z-4y)(3z+4y
d) (1/2x-y^2) (1/2x+y^2)
e) (xy-8)(xy+8)
f) (0,5a^2 -0,2)(0,5a^2 + 0,2)
g) (2/3 p - 1/2 q^2) (2/3 p +1/2 q^2)
h) (1-2ab)(1+2ab=
i) (4xy - 2x) (4xy+2x)
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a) (x-y)(x+y)
b) )a-6)(a+6)
c) (3z-4y)(3z+4y
d) (1/2x-y^2) (1/2x+y^2)
e) (xy-8)(xy+8)
f) (0,5a^2 -0,2)(0,5a^2 + 0,2)
g) (2/3 p - 1/2 q^2) (2/3 p +1/2 q^2)
h) (1-2ab)(1+2ab=
i) (4xy - 2x) (4xy+2x)