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Divide and Simplify z2+8z+15z2+12z+35÷z2+3zz2+3z28\frac { z ^ { 2 } + 8 z + 15 } { z ^ { 2 } + 12 z + 35 } \div \frac { z ^ { 2 } + 3 z } { z ^ { 2 } + 3 z - 28 }

Question 39

Multiple Choice

Divide and simplify.
- z2+8z+15z2+12z+35÷z2+3zz2+3z28\frac { z ^ { 2 } + 8 z + 15 } { z ^ { 2 } + 12 z + 35 } \div \frac { z ^ { 2 } + 3 z } { z ^ { 2 } + 3 z - 28 }


A) zz2+12z+35\frac { z } { z ^ { 2 } + 12 z + 35 }
B) z4z2+7z\frac { z - 4 } { z ^ { 2 } + 7 z }
C) z4z - 4
D) z4Z\frac { \mathrm { z } - 4 } { \mathrm { Z } }

Correct Answer:

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