Question

(а-2в)-(а-в)×(а+в) срочно пжжж​

Answer 1

$\large \sf(a - 2b) - (a - b) \cdot(a + b) = a - 2b - (a {}^{2} - b {}^{2} ) = a - 2b - a {}^{2} + b {}^{2} . \\ \bf \: (a - b)(a + b) = a {}^{2} - b {}^{2} .$