Question

the sum of two numbers is 20 and their dfference is 8

Answer 1

Answer:

Let number be x and y

⇒x+y=20

     x−y=8

⇒x

2

−y

2

=(x+y)(x−y)

                     =20×8

                     =160.

Hence, the answer is 160.

Step-by-step explanation:

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