Math, asked by tunisha13r, 5 months ago

1.Findthevalueof: 1.x²–1/5atx=-1.

2.Usingidentitiesevaluate:(99)²

3.Findtheproductof9a,4aband-2a.

4.Simplify(a+b+c)(a+b-c)
Those who will give me answer I will mark his/her answer as brainliest.

Answers

Answered by harkaran1234

1

Answer:

please give spaces

Step-by-step explanation:

in between the words

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