Question

СРОЧНО ПОМОГИТЕ!!!!!

Answer 1

Ответ:

Объяснение:

x⁻²-9=1/x² -9=(1-9x²)/x²=-((3x-1)(3x+1))/x²

x⁻⁶y⁻⁸-1=1/(x⁶y⁸) -1=(1-(x³y⁴)²/(x⁶y⁸)=-((x³y⁴-1)(x³y⁴+1))/(x⁶y⁸)

x⁻⁴-25y⁻²=1/x⁴ -25/y²=(y²-25x⁴)/(x⁴y²)=-((5x²-y)(5x²+y))/(x⁴y²)

x⁻⁴+2x⁻²y³+y⁶=1/x⁴ +(2y³)/x² +y⁶=(1+2x²y³+x⁴y⁶)/x⁴=(x²y³+1)²/x⁴=((x²y³+1)(x²y³+1))/x⁴