Question

разложить на множители a^2-x^2-0,5 (x-a)

Answer 1

$a^2-x^2-0.5 (x-a) = \\ = (a^2-x^2)-0.5 (x-a) = \\ = (a - x)(a + x) + 0.5(a - x) = \\ = (a - x)(a + x + 0.5)$