Answer:
12[tex]x^{2}[/tex]-5x+10
4[tex]x^{2}[/tex]+8+8[tex]x^{2}[/tex]-5x+2
( group like terms )
4[tex]x^{2}[/tex]+8[tex]x^{2}[/tex]-5x+8+2
( add 8+2 )
4[tex]x^{2}[/tex]+8[tex]x^{2}[/tex]-5x+10
Add similar elements :4[tex]x^{2}[/tex]+8[tex]x^{2}[/tex]=12[tex]x^{2}[/tex]
12[tex]x^{2}[/tex]-5x+10
Step-by-step explanation:
