Question

12 Use properly to evoluate
8^3+ (-5)^3+(-3)^3
​

Answer 1

Answer:

360 is the answer.

Step-by-step explanation:

Hope it helps you.

thank you

Answer 2

Let A=8 / B=-5 / C=-3

A³+B³+C³=3ABC ∵A+B+C=0

3 × 8 × (-5) × (-3) = 360

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Proof

Formula used

$A^3+B^3+C^3-3ABC=(A+B+C)(A^2+B^2+C^2-AB-BC-CA)$

Since $A+B+C=0$

$A^3+B^3+C^3-3ABC=0$

Therefore $A^3+B^3+C^3=3ABC$