(10-3x)(10-3x)=0

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Solution for (10-3x)(10-3x)=0 equation: 



(10-3x)(10-3x)=0

We add all the numbers together, and all the variables

(-3x+10)(-3x+10)=0

We multiply parentheses ..

(+9x^2-30x-30x+100)=0

We get rid of parentheses

9x^2-30x-30x+100=0

We add all the numbers together, and all the variables

9x^2-60x+100=0

a = 9; b = -60; c = +100;
Δ = b2-4ac
Δ = -602-4·9·100
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{60}{18}=3+1/3$

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