Question

The sum of a natural number and its square is 156.find the numbet

Answer 1

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let x be the no.
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now....
according to the question

sum of x and x^2
= x +x^2

=> 156 = x + x^2
=> x^2 + x -156=0
=> x^2 +13x -12x -156 =0
=> x ( x +13) -12(x+13)
=> (x-12)(×+13)=0

hence x= 12 or -13

so.....
no ... is 12
answer of the question
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Answer 2

Step-by-step explanation:

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