(4x+9)2=16x2+x+81

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Solution for (4x+9)2=16x2+x+81 equation: 



(4x+9)2=16x^2+x+81

We move all terms to the left:

(4x+9)2-(16x^2+x+81)=0

We multiply parentheses

8x-(16x^2+x+81)+18=0

We get rid of parentheses

-16x^2+8x-x-81+18=0

We add all the numbers together, and all the variables

-16x^2+7x-63=0

a = -16; b = 7; c = -63;
Δ = b2-4ac
Δ = 72-4·(-16)·(-63)
Δ = -3983
Delta is less than zero, so there is no solution for the equation

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