Ответ:
(2,7t+4,5)(7t+6)=18,9t^2+31,5t+16,2t+27=18,9t^2+47,7t+27
1)2,7t*7t=18,9t^2
2)4,5*7t=31,5t
3)2,7t*6=16,2t
4)4,5*6=27
Объяснение:
[tex](2,7t+4,5)*(7t+6)=2,7t*7t+2,7t*6+4,5*7t+4,5*6=18,9t^2+16,2t+31,5t+27=\bf 18,9t^2+47,7t+27.[/tex]
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Ответ:
(2,7t+4,5)(7t+6)=18,9t^2+31,5t+16,2t+27=18,9t^2+47,7t+27
1)2,7t*7t=18,9t^2
2)4,5*7t=31,5t
3)2,7t*6=16,2t
4)4,5*6=27
Объяснение:
Verified answer
Ответ:
[tex](2,7t+4,5)*(7t+6)=2,7t*7t+2,7t*6+4,5*7t+4,5*6=18,9t^2+16,2t+31,5t+27=\bf 18,9t^2+47,7t+27.[/tex]
Объяснение: