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GrogVix [38]
3 years ago
14

Factor using the identity: a3 + b3 = (a + b)(a2 – ab + b2) 8z3 + 27

Mathematics
2 answers:
vivado [14]3 years ago
7 0

Answer:  this is our required factor i.e.

8z^3+27=(2z+3)(4z^2-6z+9)

Explanation:

Since we have given that

8z^3+27

As we know the identity , which says that

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

So, we can use this here ,

8z^3+27=(2z)^3+3^3\\\\=(2z+3)((2z)^2-2z\times 3+3^2)\\\\=(2z+3)(4z^2-6z+9)

Hence this is our required factor i.e.

8z^3+27=(2z+3)(4z^2-6z+9)


Thepotemich [5.8K]3 years ago
6 1

Answer:

The Answer is D

Step-by-step explanation:

teehee

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