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7x*x=x*x
We move all terms to the left:
7x*x-(x*x)=0
We add all the numbers together, and all the variables
7x*x-(+x*x)=0
Wy multiply elements
7x^2-(+x*x)=0
We get rid of parentheses
7x^2-x*x=0
Wy multiply elements
7x^2-1x^2=0
We add all the numbers together, and all the variables
6x^2=0
a = 6; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·6·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{12}=0$
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