AIR MATH

Math Question

The sum of a number and its square is 42 . Which equation can be used to find the two numbers for which this is true? \( x^{2}+x=42 \) \( x^{2}+2 x=42 \) \( x^{2}+x+42=0 \) \( x^{2}+2 x+42=0 \)

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