(7x-10) (7x+10)-49x²-8x+17 при x=130. Created by vikacorsa. algebra-ru

(7x-10) (7x+10)-49x²-8x+17 при x=130...

July 2022 1 30 Report

(7x-10) (7x+10)-49x²-8x+17 при x=130

spasibo3pajbrh (7x-10) (7x+10)-49x²-8x+17=
=49x²-100-49x²-8x+17=-8x-83=
=-8•(130)-83=-1040-83=-1123

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