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26.06.2019 •
Mathematics
Find the difference (9х2 + 10x + 4) – (9х2 + 5х – 1) а. 5х + 5 b. 15х + 3 c. х2 + 5х +5 d. х2 + 15х + 3
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Ответ:
the answer is A
Step-by-step explanation:
(9x2 + 10x +4) - (9x2 + 5x -1)
(22+10x) - (17+5x)
5x+5
Ответ:
stuff
Step-by-step explanation: