Question

(3r-2k)³+(3r+2k)³ simplify​

Answer 1

Answer:

3r – 2k)3 +(3r + 2k)3 = [(3r)3 -{3 ×(3r)2 ×(2k)} + {3 ×(3r)×(2k)2 } -(2k)3 ] + [(3r)3 +{3 × (3r)2 ×(2k)} + {3 ×(3r)×(2k)2} +(2k)3 ]

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Answer 2

Hey there!!

Answer:

18r • (3r2 + 4k2)

Step-by-step explanation:

STEP 1 :  

1.1     Evaluate :  (3r-2k)3   =    27r3-54r2k+36rk2-8k3  

1.2     Evaluate :  (3r+2k)3   =    27r3+54r2k+36rk2+8k3  

STEP  2 :

Pulling out like terms

2.1     Pull out like factors :

54r3 + 72rk2  =   18r • (3r2 + 4k2)

18r • (3r2 + 4k2) ANSWER