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7(y*2y)=14y*14y
We move all terms to the left:
7(y*2y)-(14y*14y)=0
We add all the numbers together, and all the variables
7(+y*2y)-(+14y*14y)=0
We multiply parentheses
14y^2-(+14y*14y)=0
We get rid of parentheses
14y^2-14y*14y=0
Wy multiply elements
14y^2-196y^2=0
We add all the numbers together, and all the variables
-182y^2=0
a = -182; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-182)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$y=\frac{-b}{2a}=\frac{0}{-364}=0$
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