(2-5x)(2+5x)=5(1+2x)-(5x+2)(5x+2)-10x

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Solution for (2-5x)(2+5x)=5(1+2x)-(5x+2)(5x+2)-10x equation: 



(2-5x)(2+5x)=5(1+2x)-(5x+2)(5x+2)-10x

We move all terms to the left:

(2-5x)(2+5x)-(5(1+2x)-(5x+2)(5x+2)-10x)=0

We add all the numbers together, and all the variables

(-5x+2)(5x+2)-(5(2x+1)-(5x+2)(5x+2)-10x)=0

We multiply parentheses ..

(-25x^2-10x+10x+4)-(5(2x+1)-(5x+2)(5x+2)-10x)=0



We calculate terms in parentheses: -(5(2x+1)-(5x+2)(5x+2)-10x), so:

5(2x+1)-(5x+2)(5x+2)-10x

We add all the numbers together, and all the variables

-10x+5(2x+1)-(5x+2)(5x+2)

We multiply parentheses

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

We multiply parentheses ..

-(+25x^2+10x+10x+4)-10x+10x+5

We add all the numbers together, and all the variables

-(+25x^2+10x+10x+4)+5

We get rid of parentheses

-25x^2-10x-10x-4+5

We add all the numbers together, and all the variables

-25x^2-20x+1

Back to the equation:

-(-25x^2-20x+1)



We get rid of parentheses

-25x^2+25x^2-10x+10x+20x+4-1=0

We add all the numbers together, and all the variables

20x+3=0

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

20x=-3

x=-3/20

x=-3/20

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