Question

(28)^3 + (-15)^3 +(-13)^3 calculate using identities



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Answer 1

answer is 16380

Explanation:

answer is 16380

Answer 2

• 16380

Explanation:

We can see that:

• 28 + (-15) + (-13) = 0

Use the following identity:

• a³ + b³ + c³ = 3abc, if a + b + c = 0

Substitute the values to get:

• 28³ + (-15)³ + (-13)³ = 3*28*(-15)(-13) = 16380