November 2018 1 21 Report

Uprość wyrażenia algebraiczne stosując wzory skróconego mnożenia.

a) -(x+3)^{2}-4(x-3)^{2}

b)  3(x-\frac{1}{2})(x+\frac{1}{2})-4(x-\frac{1}{2})

c)  (0,4-x)^{2}-5(0,3+x)^{2}

d)  (\sqrt{5}-2x)^{2}+3(\sqrt{3}+2x)^{2}


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