Respuesta :
The simplification of the expression is Option (B.) [tex]3x^{2} - 10x - y[/tex]
How to simplify a second degree equation -
Given expression is [tex]2x - 8y + 3x^{2} + 7y - 12x[/tex]
First separating and grouping the x dependent and y dependent variables.
We have,
= [tex]3x^{2} + (-12x + 2x) + (-8y + 7y)[/tex]
= [tex]3x^{2} - 10x - y[/tex]
which is the simplified form the equation.
To learn more about simplification of equation, refer -
https://brainly.com/question/2206972
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