February 2019 0 80 Report
1.Zapisz sumę algebraiczną w postaci iloczynu:
a) 9m²-n²=
b) x²y²-16=
2.Uprość wyrażenie :
a) (1-3x)(1+3x)+9(1/3-x)²=
b) (x-3y)(3y+x)-(2y-x)²=
c) (-3+2x)²+2(x+3)²=
d) (2-3x)(2+3x)(4+9x²)=
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