-42^2+12a+17=0

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Solution for -42^2+12a+17=0 equation: 



-42^2+12a+17=0

We add all the numbers together, and all the variables

12a-1747=0

We move all terms containing a to the left, all other terms to the right

12a=1747

a=1747/12

a=145+7/12

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