October 2018 1 29 Report

Wzory do obliczeń:

1.(a+b)^{2}=a^{2}+2ab+b^{2}

2.[tex](a-b)^{2}=a^{2}-2ab+b^{2}[/tex]

3.(a-b)(a+b)=a^{2}-b^{2}

Oblicz

1.(x-7^{)2}= </p> <p>2.(2x+1)^{2}= </p> <p> </p> <p>3.(3x+1) (3x+1)= </p> <p> </p> <p> 4.(5x-7y)^{2}=</p> <p> </p> <p>5.(4x+10)^{2}= </p> <p> </p> <p>6.(5x-3)(5x+3)^{2}

Dam naj


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