Question

a^2 + ab (1-2a)-2b^2 ​

Answer 1

Answer:

$a {}^{2} + ab(1 -2 a) - 2b {}^{2} \\ a {}^{2} +a b - 2a {}^{2} b - 2b {}^{2} \\ a(a + b) - 2b(a {}^{2} - b)$