Question

х+у= 13
xy = 40
solved it please ​

Answer 1

Answer:

х+у= 13

xy = 40

then

X+y = 13

therefore

X *y = 169

therefore 169 = 40.

answer is 169 / 40

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Answer 2

Answer:

x=8,y=5orx=5,y=8

Step-by-step explanation:

х+у= 13

xy = 40

y = 40/x

x+40/x=13

x²+40=13x

x²-13x+40=0

(x-8)(x-5)=0

x=8,5

x=8

y=40/8

y=5

x=5

y=40/5

y=8