5x+6-2x2=30-3

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Solution for 5x+6-2x2=30-3 equation: 



5x+6-2x^2=30-3

We move all terms to the left:

5x+6-2x^2-(30-3)=0

We add all the numbers together, and all the variables

-2x^2+5x+6-27=0

We add all the numbers together, and all the variables

-2x^2+5x-21=0

a = -2; b = 5; c = -21;
Δ = b2-4ac
Δ = 52-4·(-2)·(-21)
Δ = -143
Delta is less than zero, so there is no solution for the equation

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