4.2x-3=0.5x(8.4x+6)

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Solution for 4.2x-3=0.5x(8.4x+6) equation: 



4.2x-3=0.5x(8.4x+6)

We move all terms to the left:

4.2x-3-(0.5x(8.4x+6))=0



We calculate terms in parentheses: -(0.5x(8.4x+6)), so:

0.5x(8.4x+6)

We multiply parentheses

0x^2+0x

We add all the numbers together, and all the variables

x^2+x

Back to the equation:

-(x^2+x)



We get rid of parentheses

-x^2+4.2x-x-3=0

We add all the numbers together, and all the variables

-1x^2+3.2x-3=0

a = -1; b = 3.2; c = -3;
Δ = b2-4ac
Δ = 3.22-4·(-1)·(-3)
Δ = -1.76
Delta is less than zero, so there is no solution for the equation

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