anjellicasearles10 anjellicasearles10

04-05-2020
Mathematics

contestada

Multiply.
(3x + 5)(3x - 5)

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juwairiyah53 juwairiyah53

02-07-2022

[tex](3x + 5)(3x - 5) \\ \\ 3x(3x + 5) - 5(3x + 5) \\ \\ {9x}^{2} + 15x - 15x - 25[/tex]

cancel ( + 15x - 15x )

[tex]9 {x}^{2} - 25.[/tex]

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