X2-3x+2.5=(x-3)2+0.5(x-18)

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Solution for X2-3x+2.5=(x-3)2+0.5(x-18) equation: 



X2-3X+2.5=(X-3)2+0.5(X-18)

We move all terms to the left:

X2-3X+2.5-((X-3)2+0.5(X-18))=0

We add all the numbers together, and all the variables

X^2-3X-((X-3)2+0.5(X-18))+2.5=0



We calculate terms in parentheses: -((X-3)2+0.5(X-18)), so:

(X-3)2+0.5(X-18)

We multiply parentheses

2X+0.5X-6-9

We add all the numbers together, and all the variables

2.5X-15

Back to the equation:

-(2.5X-15)



We get rid of parentheses

X^2-3X-2.5X+15+2.5=0

We add all the numbers together, and all the variables

X^2-5.5X+17.5=0

a = 1; b = -5.5; c = +17.5;
Δ = b2-4ac
Δ = -5.52-4·1·17.5
Δ = -39.75
Delta is less than zero, so there is no solution for the equation

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