X(16-x)-4(16-x)=48

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Solution for X(16-x)-4(16-x)=48 equation: 



X(16-X)-4(16-X)=48

We move all terms to the left:

X(16-X)-4(16-X)-(48)=0

We add all the numbers together, and all the variables

X(-1X+16)-4(-1X+16)-48=0

We multiply parentheses

-1X^2+16X+4X-64-48=0

We add all the numbers together, and all the variables

-1X^2+20X-112=0

a = -1; b = 20; c = -112;
Δ = b2-4ac
Δ = 202-4·(-1)·(-112)
Δ = -48
Delta is less than zero, so there is no solution for the equation

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