Question

3)Without actually calculating the cubes , find the value of ( 28 )3+ ( -15 )3+ ( -13)3 [ 2 marks ]

Answer 1

bases are same so we get

$[28 + (-15) + (-13)]^{3}$ (when bases are same add them and cube it finally)

$[28-15-13]^{3\\}$

$[28 - 28]^{3}$

$0^{3}$

= 0

THE ANSWER IS 0. PLEASE MARK AS BRAINLIEST