Question

factorizar o descomponer factores:
1. 9-$b^{2}$
2. 1-$y^{2}$
3. 4$x^{2}$- 81$y^{4}$

Answer 1

Explicación paso a paso:

9 - b²

(3 - b)(3 + b)

1 - y²

(1 - y)(1 + y)

4x² - 81y⁴

(2x - 9y²)(2x + 9y²)