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OpenStudy (anonymous):
A number added to its square is 56. Find the number. @noemy_bieber
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OpenStudy (anonymous):
7 Or -8
OpenStudy (anonymous):
Let the number be x x+x^2=56 x^2+x-56=0 x^2+8x-7x-56=0 (x-7)(x+8)=0 Either 7 or -8
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