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Stels [109]
3 years ago
14

Which polynomial expression represents a sum of cubes? (6 – s)(s2 + 6s + 36) (6 + s)(s2 – 6s – 36) (6 + s)(s2 – 6s + 36) (6 + s)

(s2 + 6s + 36)
Mathematics
2 answers:
Triss [41]3 years ago
8 0
C) (6+s) (s2-6s+36) 
For sum of cubes you add the first binomial and subtract then add in the following trinomial.
a3+b3=(a+b)(a2-ab+b2)
Nadusha1986 [10]3 years ago
4 0

Answer:

Option 3 is correct that is (6+s)(s^2-6s+36)

Step-by-step explanation:

 We have general formula for sum of cube which is

a^3+b^3=(a+b)(a^2+b^2-ab)

Here, we have a=s and b=6

on substituting the values in the formula we will get

6^3+s^3=(6+s)(s^2+6^2-6s)

After simplification we will get

6^3+s^3=(6+s)(s^2+36-6s)

After rearranging the terms we will get

6^3+s^3=(6+s)(s^2-6s+36) which exactly matches option 3 in the given options.

Therefore, option 3 is correct that is (6+s)(s^2-6s+36)



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