October 2018 2 22 Report

Wykonaj działania, korzystając ze wzorów skróconego mnożenia:

a) (x+3)^{2}

b) (2x-1)^{2}

c) (5x+\frac{1}{2}y)^{2}

d) (\frac{1}{2}x-y^{2})^{2}

e) (x+1)^{2}-(x-1^{2})

f) (2x+1)^{2}+(x-2)^{2}

g) (a-3b)(a+3b)

h) (p-3q)(3q+p)

i) x^{2}-9y^{2}

j) \frac{1}{4}x^{2}-4y^{2}


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