SOLUTION: if a number increased by two is squared, the result is the same as the number multiplied by nine. what is/are the number/s?
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Question 884394
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if a number increased by two is squared, the result is the same as the number multiplied by nine. what is/are the number/s?
Answer by
geetha_rama(94)
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Let x be the number
(x+2)^2=9x
x^2+4+4x=9x
x^2-5x+4=0
x^2-4x-x+4=0
=> x=1, 4
Hence the numbers can be eithrr 1 or 4