(3x-5)³. (64x³ +27y³) Zastosuj wzor skorconego mnozenia

Z wzoru: (a-b)³ = a³ - 3a²b + 3ab² -b³ (3x-5)³ = 27x³ - 3*9x²*5+3*3x*25 - 5³ = 27x³-135x²+225x-125 Z wzoru: a³+b³ = (a +b)(a²-ab+b²) (64x³ +27y³) = (4x + 3y)(16x²-12xy+9y²)

(3x-5)³=27x³-135x²+225x-125 (64x³+27y³)=(4x+3y)(16x²-12xy+9y²)