HeruZ303107
HeruZ303107
25-10-2022
Mathematics
contestada
Facot the expression 81x^2-25 ?
Respuesta :
DaxonC197784
DaxonC197784
25-10-2022
[tex]81x^2\text{ - 25}[/tex]
Apply difference of two square
[tex]x^2-y^2\text{ = (x - y)(x + y)}[/tex]
[tex]\begin{gathered} 81x^2\text{ - 25} \\ =(9x)^2-5^2 \\ \text{Apply difference of two square} \\ =\text{ (9x - 5)(9x + 5)} \end{gathered}[/tex]
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