English, asked by missinnocent76, 4 months ago

please help me It is urgent

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Answered by sukumarsawant1510

2

Answer:

b) x= 7,-7

Explanation:

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Answered by komalpatel000

1

(x+3)(x-3)=40

x²-3²=40

x²-9=40

x²=40+9

x²=49

x=7

option B is the answer of this question

I hope this will help you

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