bonnaagojo
bonnaagojo
13-12-2021
Mathematics
contestada
factor x[tex]x^{2} -81[/tex]
Respuesta :
gmany
gmany
13-12-2021
Step-by-step explanation:
[tex]x^2-81=x^2-9^2=(x-9)(x+9)\\\\\text{Used}\\\\a^2-b^2=(a-b)(a+b)[/tex]
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silirobert15
silirobert15
13-12-2021
Ok done. Thank to me :>
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