5(x-13)=10x(2x+5)

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Solution for 5(x-13)=10x(2x+5) equation: 



5(x-13)=10x(2x+5)

We move all terms to the left:

5(x-13)-(10x(2x+5))=0

We multiply parentheses

5x-(10x(2x+5))-65=0



We calculate terms in parentheses: -(10x(2x+5)), so:

10x(2x+5)

We multiply parentheses

20x^2+50x

Back to the equation:

-(20x^2+50x)



We get rid of parentheses

-20x^2+5x-50x-65=0

We add all the numbers together, and all the variables

-20x^2-45x-65=0

a = -20; b = -45; c = -65;
Δ = b2-4ac
Δ = -452-4·(-20)·(-65)
Δ = -3175
Delta is less than zero, so there is no solution for the equation

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