Math, asked by kavitachaudhary9942, 2 months ago

factorise
- q2 – 39 +40

Answers

Answered by parmanandyadavjkn
0

Step-by-step explanation:

- q2 – 39 +40 \\  \\  -  {q}^{2}  + 1 \\  \\  - ( {q }^{2}  - 1) \\  \\ (q + 1)(q - 1)

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