3(x^2+7)=0

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Solution for 3(x^2+7)=0 equation: 



3(x^2+7)=0

We multiply parentheses

3x^2+21=0

a = 3; b = 0; c = +21;
Δ = b2-4ac
Δ = 02-4·3·21
Δ = -252
Delta is less than zero, so there is no solution for the equation

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