Question

спростіть вираз (x-2)(x+2)+x(x-3)=

Answer 1

Ответ: 4

(x-2)(x+2)×x(x-3 )= x²-4+x²-3x = 2x²-3x-4

Answer 2

$(x - 2) \times (x + 2) + x \times (x - 3) = {x}^{2} - 4 + {x}^{2} - 3x = 2 {x}^{2} - 4 - 3x = 2 {x}^{2} - 3x - 4$