Factor Out the Common Factor $- 14 x ^ { 4 } y ^ { 2 } + 7 x y ^ { 3 } - 21 x ^ { 4 }$

question 44

Essay

Factor out the common factor. $- 14 x ^ { 4 } y ^ { 2 } + 7 x y ^ { 3 } - 21 x ^ { 4 }$

---

Definitions:

Sustentacular Cell

A type of cell found in the testis that supports and nourishes spermatids during sperm development.

Interstitial Cell

Cells found in the spaces between organ tissues, often involved in the production of hormones or extracellular matrix.

Spermatogonium

An undifferentiated male germ cell that gives rise to primary spermatocytes after undergoing division.

Erectile Tissue

Specialized tissue with a high capacity for blood flow and swelling, enabling erection in the penis, clitoris, and nipples.