Question

if x-y=3 and xy=40 then find value of x and y
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Answer 1

Answer:

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Step-by-step explanation:

x + y = 40

y = 40 - x

x y = 384

x ( 40 - x ) = 384

40 x - x² = 384

x² - 40x + 384 = 0

x² - 16x - 24x + 384 = 0

x ( x - 16 ) - 24 ( x - 16 ) = 0

( x - 24 ) ( x - 16 ) = 0

So we have two options either

x = 24 and y = 16

Or

x = 16 and y = 24

Answer 2

Answer:

the value of X = 27 and Y = 13