Question

Решить уравнение
5x+(x-2)(x^2+2x+4)-(-4+x^3)=10

Answer 1

$5x + (x - 2)( {x}^{2} + 2x + 4) - ( - 4 + {x}^{3} ) = 10 \\ 5x + {x}^{3} - 8 + 4 - {x}^{3} = 10 \\ 5x - 4 = 10 \\ 5x = 10 + 4 \\ 5x = 14 \\ x = 14 \div 5 \\ x = 2.8$