Объяснение:
[tex]4-\frac{x*(x-7)^2-(x-2)^3+2*(1+2x)^2}{1,5} =16\\\frac{x*(x^2-14x+49)-(x^3-6x^2+12x-8)+2*(1+4x+4x^2)}{1,5} =-12\ |*1,5\\x^3-14x^2+49x-x^3+6x^2-12x+8+2+8x+8x^2=-18\\45x=-28\ |:45\\x=-\frac{28}{45}.[/tex]
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Объяснение:
[tex]4-\frac{x*(x-7)^2-(x-2)^3+2*(1+2x)^2}{1,5} =16\\\frac{x*(x^2-14x+49)-(x^3-6x^2+12x-8)+2*(1+4x+4x^2)}{1,5} =-12\ |*1,5\\x^3-14x^2+49x-x^3+6x^2-12x+8+2+8x+8x^2=-18\\45x=-28\ |:45\\x=-\frac{28}{45}.[/tex]