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monitta
3 years ago
6

Please help me solve this. :)​

Mathematics
1 answer:
Aloiza [94]3 years ago
6 0

Answer:

40

Step-by-step explanation:

   Given problem:

            x² - y²

x+ y = 10

x - y = 4

Solution:

Using the concept of differences of two squares;

      x² - y² = (x + y)(x - y)

                 

So;

      x² - y²  = 10 x 4 = 40

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