31-x2=9x2+65-3x2

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Solution for 31-x2=9x2+65-3x2 equation: 



31-x2=9x^2+65-3x^2

We move all terms to the left:

31-x2-(9x^2+65-3x^2)=0

We add all the numbers together, and all the variables

-1x^2-(9x^2+65-3x^2)+31=0

We get rid of parentheses

-1x^2-9x^2+3x^2-65+31=0

We add all the numbers together, and all the variables

-7x^2-34=0

a = -7; b = 0; c = -34;
Δ = b2-4ac
Δ = 02-4·(-7)·(-34)
Δ = -952
Delta is less than zero, so there is no solution for the equation

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