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(4b-3)(4b-3)=0
We multiply parentheses ..
(+16b^2-12b-12b+9)=0
We get rid of parentheses
16b^2-12b-12b+9=0
We add all the numbers together, and all the variables
16b^2-24b+9=0
a = 16; b = -24; c = +9;
Δ = b2-4ac
Δ = -242-4·16·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$b=\frac{-b}{2a}=\frac{24}{32}=3/4$
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