Question

factories this by taking common​

Answer 1

$Given \: Polynomial \: a^{2}+b-ab-a$

/* Rearranging the terms, we get */

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

Therefore.,

$\red{ Factors \: of \: a^{2}+b-ab-a}\green {= (a-1)(a-b)}$

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