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8x(8x+6x)=7(16
We move all terms to the left:
8x(8x+6x)-(7(16)=0
We add all the numbers together, and all the variables
8x(+14x)-(716=0
We add all the numbers together, and all the variables
8x(+14x)=0
We multiply parentheses
112x^2=0
a = 112; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·112·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{224}=0$
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