Factor 8z° + 1 completely. Answer:

Daniaal Sanchez

Daniaal Sanchez

Answered question

2020-12-24

Factor 8z3+1 completely. Answer:

Answer & Explanation

Adnaan Franks

Adnaan Franks

Skilled2020-12-25Added 92 answers

Notice that the expression is a sum of two cubes since:
8z3+1=(2z)3+13
Use the rule: a3+b3=(a+b)(a2ab+b2)
8z3+1=(2z+1)[(2z)2(2z)(1)+12]
8z3+1=(2z+1)(4z22z+1)

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