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For what real values of a is x^2 + ax + 125 the square of a binomial? If you find more than one, then list the values separated by commas.

 Jan 23, 2021
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Take 125    multiply by 4 =  500.....take the positive and negative  roots of this

 

a =  ±sqrt ( 500)  = ± sqrt (5) * sqrt (100)  =  ±10sqrt (5)

 

 

cool cool cool

 Jan 23, 2021

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