z4+4z3-2z-8

how can i fator this by grouping? z4+4z3-2z-8
in Algebra 2 Answers by Level 1 User (120 points)

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1 Answer

"Solution: Given z4+4z3-2z-8=0
z^3(z+4)-2(z+4)=0
(z+4)(z^3-2)=0
there for (z+4)(z^3-2) are the factor by grouping
"
by Level 4 User (5.6k points)

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