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Darksus501
@Darksus501
July 2022
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Упростите выражение d(d+3)-(5-d)2.Найдите его значение при d=-2/13.
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hlopushinairina
D(d+3)-(5-d)²=d²+3d-25+10d-d²=13d-25;
d=-2/13⇒13d-25=13(-2/13)-25=-2-25=-27;
2 votes
Thanks 1
Darksus501
почему
Darksus501
как
Darksus501
там же в степени
hlopushinairina
(5-d)^2?
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Answers & Comments
d=-2/13⇒13d-25=13(-2/13)-25=-2-25=-27;