Respuesta:
[tex]( \sqrt{40} + 5)( \sqrt{40} - 5) \\ \\ (2 \sqrt{10} + 5) \times (2 \sqrt{10} - 5) \\ \\ 4 \times 10 - 25 \\ \\ = 15[/tex]
la d
[tex]( \sqrt{38} + \sqrt{20} )( \sqrt{38} - \sqrt{20} ) \\ \\ ( \sqrt{38} + 2 \sqrt{5} ) \times \sqrt{38} - 2 \sqrt{5} ) \\ \\ 38 - 4 \times 5 \\ \\ 38 - 20 \\ \\ = 18[/tex]
la e
espero que te sirva uwu ❤️❤️❤️❤️
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Respuesta:
[tex]( \sqrt{40} + 5)( \sqrt{40} - 5) \\ \\ (2 \sqrt{10} + 5) \times (2 \sqrt{10} - 5) \\ \\ 4 \times 10 - 25 \\ \\ = 15[/tex]
la d
[tex]( \sqrt{38} + \sqrt{20} )( \sqrt{38} - \sqrt{20} ) \\ \\ ( \sqrt{38} + 2 \sqrt{5} ) \times \sqrt{38} - 2 \sqrt{5} ) \\ \\ 38 - 4 \times 5 \\ \\ 38 - 20 \\ \\ = 18[/tex]
la e
espero que te sirva uwu ❤️❤️❤️❤️