Question

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

Step-by-step explanation:

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

hope it helps uh ❤

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Answer 2

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

$⟹ {ab}^{2} + ab - b - 1$