Question

if the product of two identical number ia 441 , find one of the numbers. by step by step in number​

Answer 1

Answer:

21 or -21

Step-by-step explanation:

let the number be x

then A.T.Q

x*x=441

x^2-441=0

(x-21)(x+21)=0

hence x=21; x= -21

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Answer 2

Answer:

answer will be 21 both positive and negative . hii miss can I get your intro? your hero here