$$(2a-b)(2b-a)$$
$-2a^{2}+5ab-2b^{2}$
$$4ab-2a^{2}-2b^{2}+ba$$
$$5ab-2a^{2}-2b^{2}$$
Show Solution
Hide Solution
$\left(2a-b\right)\left(2b-a\right)$