-3x(2-2x)=-2(-4x+7)

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Solution for -3x(2-2x)=-2(-4x+7) equation: 



-3x(2-2x)=-2(-4x+7)

We move all terms to the left:

-3x(2-2x)-(-2(-4x+7))=0

We add all the numbers together, and all the variables

-3x(-2x+2)-(-2(-4x+7))=0

We multiply parentheses

6x^2-6x-(-2(-4x+7))=0



We calculate terms in parentheses: -(-2(-4x+7)), so:

-2(-4x+7)

We multiply parentheses

8x-14

Back to the equation:

-(8x-14)



We get rid of parentheses

6x^2-6x-8x+14=0

We add all the numbers together, and all the variables

6x^2-14x+14=0

a = 6; b = -14; c = +14;
Δ = b2-4ac
Δ = -142-4·6·14
Δ = -140
Delta is less than zero, so there is no solution for the equation

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