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16x^2+9=5
We move all terms to the left:
16x^2+9-(5)=0
We add all the numbers together, and all the variables
16x^2+4=0
a = 16; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·16·4
Δ = -256
Delta is less than zero, so there is no solution for the equation
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