5+4y-7=4y2-y

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Solution for 5+4y-7=4y2-y equation: 



5+4y-7=4y^2-y

We move all terms to the left:

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

We add all the numbers together, and all the variables

4y-(4y^2-y)-2=0

We get rid of parentheses

-4y^2+4y+y-2=0

We add all the numbers together, and all the variables

-4y^2+5y-2=0

a = -4; b = 5; c = -2;
Δ = b2-4ac
Δ = 52-4·(-4)·(-2)
Δ = -7
Delta is less than zero, so there is no solution for the equation

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