Answer:
3[tex]x^{2}[/tex] -2x +5=0
Step-by-step explanation:
Combine liked terms:
3[tex]x^{2}[/tex]+5x+x-1x+6+2=7x+3
3[tex]x^{2}[/tex]+6x-1x+8=7x+3
3[tex]x^{2}[/tex]+5x+8=7x+3
Subtract 3: 3[tex]x^{2}[/tex]+5x+8-3=7x+3-3
3[tex]x^{2}[/tex]+5x+5=7x
Now subtract 7x:
3[tex]x^{2}[/tex]+5x+5-7x=7x-7x
If you want combine liked terms:
3[tex]x^{2}[/tex]-7x+5x+5=0
3[tex]x^{2}[/tex]-2x+5=0
Hope this helps!