Answered

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The sum of two numbers is 25 and their difference is 13. Find their product.

Sagot :

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Step-by-step explanation:

x + y = 25

x - y = 13

x.y = ?

x + y = 25

y = 25 - x

x - y = 13

x - 25 + x = 13

2x = 13 + 25

2x = 38

x = 38/2

x = 19

y = 25 - x

y = 25 - 19

y = 6

(x, y) = (19,6)

So, find their product!!

= x.y

= 19 × 6

= 114

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