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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 25, 2022
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(x - sqrt(125))2   =  x^2 -10 sqrt5 + 125

(x+ sqrt (125))2 =   x^2 +10 sqrt5 + 125

 Jan 25, 2022

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