(4.8-x)(6.4-x)/(4+x)(x)=7.63

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Solution for (4.8-x)(6.4-x)/(4+x)(x)=7.63 equation: 



(4.8-x)(6.4-x)/(4+x)(x)=7.63

We move all terms to the left:

(4.8-x)(6.4-x)/(4+x)(x)-(7.63)=0



Domain of the equation: (4+x)x!=0

x∈R



We add all the numbers together, and all the variables

(-1x+4.8)(-1x+6.4)/(x+4)x-(7.63)=0

We add all the numbers together, and all the variables

(-1x+4.8)(-1x+6.4)/(x+4)x-7.63=0

We multiply parentheses ..

(+x^2-6.4x-4.8x+30.72)/(x+4)x-7.63=0

We multiply all the terms by the denominator


(+x^2-6.4x-4.8x+30.72)-(7.63)*(x+4)x=0

We get rid of parentheses

x^2-6.4x-4.8x-(7.63)*(x+4)x+30.72=0

We add all the numbers together, and all the variables

x^2-11.2x-(7.63)*(x+4)x+30.72=0

We move all terms containing x to the left, all other terms to the right

x^2-11.2x-(7.63)*(x+4)x=-30.72

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