4a^2+7a=-5

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Solution for 4a^2+7a=-5 equation: 



4a^2+7a=-5

We move all terms to the left:

4a^2+7a-(-5)=0

We add all the numbers together, and all the variables

4a^2+7a+5=0

a = 4; b = 7; c = +5;
Δ = b2-4ac
Δ = 72-4·4·5
Δ = -31
Delta is less than zero, so there is no solution for the equation

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