(3x-5)(2x-5)-(2x-3)(x-3)+6x>(2x-5)^2+6

Question

Алгебра

Nuadaris

5 год назад

(3x-5)(2x-5)-(2x-3)(x-3)+6x>(2x-5)^2+6

ОТВЕТЫ

Marczellovich

Jun 30, 2019

$(3x-5)(2x-5)-(2x-3)(x-3)+6x\ \textgreater \ (2x-5)^2+6\\amp;#10;6x^2-15x-10x+25-(2x^2-6x-3x+9)+6x\ \textgreater \ 4x^2-20x+25+6\\amp;#10;6x^2-25x+25-2x^2+9x-9+6x\ \textgreater \ 4x^2-20x+31\\amp;#10;4x^2-10x+16\ \textgreater \ 4x^2-20x+31\\amp;#10;4x^2-4x^2-10x+20x+16-31\ \textgreater \ 0\\amp;#10;10x-15\ \textgreater \ 0\\amp;#10;10x\ \textgreater \ 15/:10\\amp;#10;x\ \textgreater \ 1,5$

293