1.Wykonaj potęgowanie:
a) (x + 3y)^2 =
b) (x + 7y)^2 =
c) (2a - 5)^2 =
d) (3x - 2y)^2 =
e) (x + 3y) (x - 3y) =
f) (ax - 5) (ax + 5) =
^2 - do potęgi drugiej
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Zadanie rozwiązane w załączniku :)
a) x^{2}+ 6xy+9y^{2}
b) x^{2}+14xy+49y^{2}
c) 4a^{2}-20a+25
d) 9x^{2}-12xy+4y^{2}
e) x^{2}-9y^{2}
f) a^{2}x^{2}-25