Question

Розв'яжіть рiвняння (x +2)(х +3) - x(x + 1) =38

Answer 1

$(x + 2)(x + 3) - x(x + 1) = 38 \\ {x}^{2} + 3x + 2x + 6 - {x}^{2} - x = 38 \\ {x}^{2} - {x}^{2} + 3x + 2x - x = 38 - 6 \\ 4x = 32 \\ x = \frac{32}{4} = 8$