bumeh511
21.11.2019 •
Mathematics
(6x to the second power +7x) + (5-2 to the second power +9x)
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Ответ:
4x^2+16x+5
Step-by-step explanation:
(6x^2+7x)+(5-2x^2+9x)
6x^2-2x^2+7x+9x+5
4x^2+16x+5
Ответ:
Veníamos
Pudo
Se puso
Se dio cuenta
Supe