With actually calculating the cubes, find the value of ( - 12 )3+(7)3+(5)3
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Step-by-step explanation:
(-12)³+(7)³+5³
=(-12+7+5){(-12)²+(7)²+(5)²+(12*7) - (7*5) +(12*5)}
=0{(-12)²+(7)²+(5)²+(12*7) - (7*5) +(12*5)}
=0
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