September 2018 1 19 Report

1. Doprowadź do najprostszej postaci wyrażenia korzystając ze wzorów skróconego mnożenia.

a)(x-5)²-3(x-1)(x+1)-(2x²-1)+x(2x-3)

b)(4+x)(4-x)-2x(1-3x)+(2(x+2)²-4(x²-1)

c)(x-2)²+3(4-x)(4+x)-2(2x+1)²

d)(x+3)²-2(3-x)(3+x)+4(3x-1)²

e)(2-x)(2+x)-4(2x-1)²+2(x+3)²

f)(5+x)(5-x)+3(3x+1)²-4(x-2)²


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