-(5z-2)(3z+7)=z(-14-15z)

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Solution for -(5z-2)(3z+7)=z(-14-15z) equation: 



-(5z-2)(3z+7)=z(-14-15z)

We move all terms to the left:

-(5z-2)(3z+7)-(z(-14-15z))=0

We add all the numbers together, and all the variables

-(5z-2)(3z+7)-(z(-15z-14))=0

We multiply parentheses ..

-(+15z^2+35z-6z-14)-(z(-15z-14))=0



We calculate terms in parentheses: -(z(-15z-14)), so:

z(-15z-14)

We multiply parentheses

-15z^2-14z

Back to the equation:

-(-15z^2-14z)



We get rid of parentheses

-15z^2+15z^2-35z+6z+14z+14=0

We add all the numbers together, and all the variables

-15z+14=0

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

-15z=-14

z=-14/-15

z=14/15

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