Question

Without actually calculating the cubes, find the values of (-10)3+(7)3+(3)3

Answer 1

We know that if acube + b cube + c cube is equal to 0 then a cube + b cube + c cube is equal to 3abc. So -10 × 3 ×7 ×3 i.e.-630 is the answer

Answer 2

Answer:

3(-10×3×7)=630 is the answer