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kris2029
@kris2029
July 2022
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Помогите пожалуйстаНайди значение выражения
9х^2-6х-8 при х=-2/3
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nafanya2014
Verified answer
=9·(-2/3)²-6·(-2/3)-8=9·(4/9)+(12/3)-8=4+4-8=0
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uekmyfhfp
9x^2 - 6x - 8=9*( - 2/3)^2 - 6*(-2/3) - 8= 9*4/9 + 4 - 8 = 4 +4 - 8 = 0
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Answers & Comments
Verified answer
=9·(-2/3)²-6·(-2/3)-8=9·(4/9)+(12/3)-8=4+4-8=0