225x2=16(15x-4)

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Solution for 225x2=16(15x-4) equation: 



225x^2=16(15x-4)

We move all terms to the left:

225x^2-(16(15x-4))=0



We calculate terms in parentheses: -(16(15x-4)), so:

16(15x-4)

We multiply parentheses

240x-64

Back to the equation:

-(240x-64)



We get rid of parentheses

225x^2-240x+64=0

a = 225; b = -240; c = +64;
Δ = b2-4ac
Δ = -2402-4·225·64
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{240}{450}=8/15$

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