Question

sum of the squares of two numbers equals 25,write this in equation form
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Answer 1

Answer:

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Step-by-step explanation:

Let te numbers be x and y

therefore we have x+y=25 ...(1)

which gives us x2+y2+2xy=625 ...(2)

and we also have x2+y2=313 ...(3)

Subtracting (3) from (2), we get 2xy=312 ...(4)

and (4) from (3) we get

x2+y2−2xy=1 ...(5)

i.e. x−y=1 ...(6)

Slolving for x and y from (1) and (6), we get

x=13 and y=12

Note:we can also have x−y=−1, which gives x=12 and y=13

Answer 2

Answer:

Let te numbers be x and y

therefore we have x+y=25 ...(1)

which gives us x2+y2+2xy=625 ...(2)

and we also have x2+y2=313 ...(3)

Subtracting (3) from (2), we get 2xy=312 ...(4)

and (4) from (3) we get

x2+y2−2xy=1 ...(5)

i.e. x−y=1 ...(6)

Slolving for x and y from (1) and (6), we get

x=13 and y=12

Note:we can also have x−y=−1, which gives x=12 and y=13

Step-by-step explanation: