Разложите на множители
1) (3/5)²(m²)²n² -(11)²(x⁶)²= (3/5m²n -11x⁶ )*( 3/5m²n+11x⁶ ) 2) a²(b²)² - (c³)²(d⁹)²=(ab²- c³d⁹) *(ab²+ c³d⁹)
9/25m^4n^2-121x^12=(3/5m^2n)^2-(11x^6)^2=(3/5m^2n-11x^6)(3/5m^n+11x^6) a^2b^4-c^6d^18=(ab^2)^2-(c^3d^9)^2=(ab^2-c^3d^9)(ab^2+c^3d^9)