Answer:
[tex]x^{2}[/tex]+6x+13
Step-by-step explanation:
Distribute:
=9x2+6x+1+(−4)(2x2)+(−4)(−3)
=9x^2+6x+1+−8x^2+12
Combine Like Terms:
=(9x^2+−8x^2)+(6x)+(1+12)
=x^2+6x+13