2-(-4)+(-y)y=7

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Solution for 2-(-4)+(-y)y=7 equation: 



2-(-4)+(-y)y=7

We move all terms to the left:

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

determiningTheFunctionDomain
(-y)y+2-7-(-4)=0

We add all the numbers together, and all the variables

(-1y)y+2-7-(-4)=0

We add all the numbers together, and all the variables

(-1y)y-1=0

We multiply parentheses

-1y^2-1=0

a = -1; b = 0; c = -1;
Δ = b2-4ac
Δ = 02-4·(-1)·(-1)
Δ = -4
Delta is less than zero, so there is no solution for the equation

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