упростите выражение -2 * (2,7х-1) - (6*3,4х)+ 8 (0,4х-2)где х= -5/6. Created by lanit. algebra-ru

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August 2022 1 17 Report

упростите выражение

-2 * (2,7х-1) - (6*3,4х)+ 8 (0,4х-2)

где х= -5/6

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Юленька194 $-2*(2,7x-1) - (6*3,4x)+ 8 (0,4x-2)=$ $-5,4x+2 - 20,4x+ 3,2x-16=-22,6x-14$

при х= -5/6 $-22,6*(- \frac{5}{6} )-14= -\frac{56,5}{3} -14=- \frac{985}{30} =-32 \frac{5}{6}$

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