Respuesta :

ncaguana30
The answer simplified is:



a= —2x^2+7x+22

jukkaduei
[tex]a = (6x^{2} - 9x - 42) - 2(4 {x}^{2} - 8x - 32) \\ a = (6 {x}^{2} - 9x - 42) - (8 {x}^{2} - 16x - 64) \\ a = ( - 2 {x}^{2} + 7x + 22)[/tex]