Math, asked by khanmahera880, 27 days ago

bhai solve these two also...plddd..☺​

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Answers

Answered by arundhathidachepally
2

Answer:

2. (x+20)(x-20)

3.(x+11)(x-11)

Hope it helps you

Answered by Anonymous
3

Step-by-step explanation:

 \bold{ {x}^{2}  - 400}

 \bold{ {x}^{2}  + 20x - 20x - 400}

 \bold{x(x + 20) - 20(x + 20)}

 \bold{(x + 20)(x - 20)}

 \bold{ {x}^{2}  - 121}

 \bold{x^{2}  + 11x - 11x - 121 }

 \bold{x(x + 11) - 11(x + 11)}

 \bold{(x + 11)(x - 11)}

I hope it is helpful

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