A-b^2-b+a^2 Памагити

Question

A-b^2-b+a^2
Памагити

Answer 1

A - b² - b + a² = a - b + a² - b² = ( a - b) + (a² - b²) = (a - b) + (a - b)(a + b) =
=(a - b)(1 + a + b)