Answers

2015-01-14T18:49:16+05:30
To write an equation from this statement, We'll have to consider following condition.
   Let the given number is 'x'.
A/q,
         x
²+x+x+x = 18
or,     x²+3x-18 = 0
This is the equation of given statement.

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  • Brainly User
2015-01-14T19:12:58+05:30
Assume the number the n.
when a number is squared(n²) and 3 times of that number(3n) is added to it, it gives 18 or
n² + 3n = 18
or n² + 3n - 18 = 0.

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