разложите на множители:
1) a^6-a^-5-a^-3
2)x-3
3)-x-x^3-6-6x^2
1) a^6-a^(-5)-a^(-3) = а^(-3) * (a⁹ - a^(-2) -1)
2)x-3 = (√x - √3)(√x+√3)
3)-x-x^3-6-6x^2 = -(x+x^3+6+6x^2) = -((x+6) + (x³ + 6x²)) = -((x+6) + x²(x+6)) = -((x+6)(1+x²)) = -(x+6)(1+x²)
1) a^6-a^(-5)-a^(-3) = а^(-3) * (a⁹ - a^(-2) -1))
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Answers & Comments
1) a^6-a^(-5)-a^(-3) = а^(-3) * (a⁹ - a^(-2) -1)
2)x-3 = (√x - √3)(√x+√3)
3)-x-x^3-6-6x^2 = -(x+x^3+6+6x^2) = -((x+6) + (x³ + 6x²)) = -((x+6) + x²(x+6)) = -((x+6)(1+x²)) = -(x+6)(1+x²)
1) a^6-a^(-5)-a^(-3) = а^(-3) * (a⁹ - a^(-2) -1))
2)x-3 = (√x - √3)(√x+√3)
3)-x-x^3-6-6x^2 = -(x+x^3+6+6x^2) = -((x+6) + (x³ + 6x²)) = -((x+6) + x²(x+6)) = -((x+6)(1+x²)) = -(x+6)(1+x²)