Упростите выражение -3x(2 – x) + (3x + 1)(x – 2)
-3x(2 – x) + (3x + 1)(x – 2)=6х²-11х-2
-6х+3х²+3х²-5х-2=6х²-11х-2
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-3x(2 – x) + (3x + 1)(x – 2)=6х²-11х-2
-6х+3х²+3х²-5х-2=6х²-11х-2