90x^2-30x+25=12

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Solution for 90x^2-30x+25=12 equation: 



90x^2-30x+25=12

We move all terms to the left:

90x^2-30x+25-(12)=0

We add all the numbers together, and all the variables

90x^2-30x+13=0

a = 90; b = -30; c = +13;
Δ = b2-4ac
Δ = -302-4·90·13
Δ = -3780
Delta is less than zero, so there is no solution for the equation

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