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(4x-2)(4x-2)=
We move all terms to the left:
(4x-2)(4x-2)-()=0
We add all the numbers together, and all the variables
(4x-2)(4x-2)=0
We multiply parentheses ..
(+16x^2-8x-8x+4)=0
We get rid of parentheses
16x^2-8x-8x+4=0
We add all the numbers together, and all the variables
16x^2-16x+4=0
a = 16; b = -16; c = +4;
Δ = b2-4ac
Δ = -162-4·16·4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{16}{32}=1/2$
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