evaluate 45 cube minus 25 cube minus 20 cube
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2
Answer:
67500
Step-by-step explanation:
Please see the attached explanation
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Answered by
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Step-by-step explanation:
45 cube -25 cube - 20 cube
= [45 ] + [ - 25 ] + [- 20 ]
= [ 45 ] -25 - 20
= [ 45 ] - 45
= 45 - 45
= 0
if a+b+c = 0 then
a cube + b cube + c cube = 3abc
= 3 * 45 * 25 * 20
= 135 * 500
= 67500
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