Question

Решите пожалуста, очень надо
(x-1)^2-(x+3)(x-3)

Answer 1

(x-1)²-(x+3)(x-3)= x²-2x+1-x²+9= 10-2x

Answer 2

${x}^{2} - 2x + 1 - ( {x}^{2} - 9) = {x}^{2} - 2x + 1 - {x}^{2} + 9 = - 2x + 10$