Explicación paso a paso:
[tex]aplicamos \\ {a}^{2} - {b}^{2} = (a - b)(a + b) \\ b = ( {x + 9)}^{2} - ({x - 9)}^{2} \\ 18 \times 2x \\ 36x[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Explicación paso a paso:
[tex]aplicamos \\ {a}^{2} - {b}^{2} = (a - b)(a + b) \\ b = ( {x + 9)}^{2} - ({x - 9)}^{2} \\ 18 \times 2x \\ 36x[/tex]