(x*x+9)-(4x*x+16)=0

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Solution for (x*x+9)-(4x*x+16)=0 equation: 



(x*x+9)-(4x*x+16)=0

We get rid of parentheses

x*x-4x*x+9-16=0

We add all the numbers together, and all the variables

x*x-4x*x-7=0

Wy multiply elements

x^2-4x^2-7=0

We add all the numbers together, and all the variables

-3x^2-7=0

a = -3; b = 0; c = -7;
Δ = b2-4ac
Δ = 02-4·(-3)·(-7)
Δ = -84
Delta is less than zero, so there is no solution for the equation

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