Math, asked by heerparekh0211, 2 months ago

Factorise: a^2-a^2+a-1

Answers

Answered by Anonymous

22

Answer:

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

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