Question

Разложите на множители

Answer 1

100a²-20a+1=(10a-1)(10a-1)
81x²-25y²=(9x-5y)(9x+5y)
27x³-125y³=(3x-5y)(9x²+15xy+25y²)
x⁴-x³-x+1=x³(x-1)-(x-1)=(x-1)(x³-1)=(x-1)(x-1)(x²+x+1)