Question

спростіть вираз (3x²-y³)²​

Answer 1

$(3 {x}^{2} - y {}^{3} ) {}^{2} = (3 {x}^{2} ) {}^{2} - 2 times 3 {x}^{2} y {}^{3} + (y {}^{3}) {}^{2} = 9 {x}^{4} - 6 {x}^{2} y {}^{3} + y {}^{6}$