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48=(8-2x)(2x)
We move all terms to the left:
48-((8-2x)(2x))=0
We add all the numbers together, and all the variables
-((-2x+8)2x)+48=0
We calculate terms in parentheses: -((-2x+8)2x), so:We get rid of parentheses
(-2x+8)2x
We multiply parentheses
-4x^2+16x
Back to the equation:
-(-4x^2+16x)
4x^2-16x+48=0
a = 4; b = -16; c = +48;
Δ = b2-4ac
Δ = -162-4·4·48
Δ = -512
Delta is less than zero, so there is no solution for the equation
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