Answer:
-19[tex]x^{2}[/tex] + 8x + 6
Step-by-step explanation:
−12[tex]x^{2}[/tex]−5x−7[tex]x^{2}[/tex]+6+13x
= −12[tex]x^{2}[/tex]−7[tex]x^{2}[/tex]+13x-5x+6
= -19[tex]x^{2}[/tex] + 8x + 6
