Решите уравнение: x(4x+11)-7(x^2-5x)=-3x(x+3).

\[x(4x + 11) - 7 \cdot \left( x^{2} - 5x \right) =\]

\[= - 3x(x + 3)\]

\[4x^{2} + 11x - 7x^{2} + 35x =\]

\[= - 3x^{2} - 9x\]

\[- 3x^{2} + 3x^{2} + 46x + 9x = 0\]

\[55x = 0\]

\[x = 0.\]