SOLUTION: the sum of the square of a positive number and the square of 5 more than the number is 125

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Question 683442: the sum of the square of a positive number and the square of 5 more than the number is 125
Answer by ReadingBoosters(3246) About Me  (Show Source):
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x%5E2+%2B+%28x%2B5%29%5E2+=+125
x%5E2+%2B+x%5E2+%2B+10x+%2B+25+=+125
2x%5E2+%2B+10x+%2B+25+=+125
2x%5E2+%2B+10x+-+100+=+0
Divide the entire equation by 2
x%5E2+%2B+5x+-+50+=+0
(x-5)(x+10) = 0
x-5=0
highlight_green%28x=5%29
AND
x+10=0
highlight_green%28x+=+-10%29
.....................
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