Answer:
- 5(x + 1)(x + 7)
Explanation:
Expand the given factors in the expression
= 4x² - 4x + 1 - (9x² + 36x + 36 )
= 4x² - 4x + 1 - 9x² - 36x - 36 ( collect like terms )
= - 5x² - 40x - 35 ( factor out - 5 from each term )
= - 5(x² + 8x + 7) ( factor the quadratic )
= - 5(x + 1)(x + 7)