Calculation: [(3 √ 2) - (2 √ 5)] Cube × [(3 √ 2) + (2 √ 5)] Cube

Calculation: [(3 √ 2) - (2 √ 5)] Cube × [(3 √ 2) + (2 √ 5)] Cube

【(3√2)-(2√5)】³×【(3√2)+(2√5)】³
={[(3√2)-(2√5)][(3√2)+(2√5)]}³
=[(3√2)²-(2√5)²]³
=(18-20)³
=(-2)³
=-8