12x*x+(4x+5)*(4x+5)=0

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Solution for 12x*x+(4x+5)*(4x+5)=0 equation: 



12x*x+(4x+5)(4x+5)=0

Wy multiply elements

12x^2+(4x+5)(4x+5)=0

We multiply parentheses ..

12x^2+(+16x^2+20x+20x+25)=0

We get rid of parentheses

12x^2+16x^2+20x+20x+25=0

We add all the numbers together, and all the variables

28x^2+40x+25=0

a = 28; b = 40; c = +25;
Δ = b2-4ac
Δ = 402-4·28·25
Δ = -1200
Delta is less than zero, so there is no solution for the equation

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