5(3x+9)-2x=15x-2x(x-5)

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Solution for 5(3x+9)-2x=15x-2x(x-5) equation: 



5(3x+9)-2x=15x-2x(x-5)

We move all terms to the left:

5(3x+9)-2x-(15x-2x(x-5))=0

We add all the numbers together, and all the variables

-2x+5(3x+9)-(15x-2x(x-5))=0

We multiply parentheses

-2x+15x-(15x-2x(x-5))+45=0



We calculate terms in parentheses: -(15x-2x(x-5)), so:

15x-2x(x-5)

We multiply parentheses

-2x^2+15x+10x

We add all the numbers together, and all the variables

-2x^2+25x

Back to the equation:

-(-2x^2+25x)



We add all the numbers together, and all the variables

-(-2x^2+25x)+13x+45=0

We get rid of parentheses

2x^2-25x+13x+45=0

We add all the numbers together, and all the variables

2x^2-12x+45=0

a = 2; b = -12; c = +45;
Δ = b2-4ac
Δ = -122-4·2·45
Δ = -216
Delta is less than zero, so there is no solution for the equation

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