Donald R. answered • 11/02/15

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You might ponder whether -4 is a valid answer also.

Jennifer H.

asked • 11/02/15The sum of a number and its square is 12. Find the number.

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Donald R. answered • 11/02/15

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4.9
(58)
High School Pysics, Math and SAT Math Prep

You might ponder whether -4 is a valid answer also.

Mayuran K. answered • 11/02/15

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Let the number be x

X^2 + X = 12

X^2 + X - 12 = 0

(X + 4) ( X - 3) = 0

X = 3 IS THE ANSWER

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Andrew M.

^{2}= -4 + 16 = 12^{2}= 3 + 9 = 1211/03/15