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64x^2=16x-15=0
We move all terms to the left:
64x^2-(16x-15)=0
We get rid of parentheses
64x^2-16x+15=0
a = 64; b = -16; c = +15;
Δ = b2-4ac
Δ = -162-4·64·15
Δ = -3584
Delta is less than zero, so there is no solution for the equation
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