Respuesta :

Answer: 7x^2-8x+10

Step-by-step explanation: hope this helps gl :)

thx for the points

Answer:

[tex]7x^{2} -8x+10[/tex]

Step-by-step explanation:

[tex](2x^{2} -5x+6)\\[/tex] [tex]+\\[/tex] [tex](\\[/tex][tex]5x^{2} -3x+4[/tex][tex])\\[/tex]

[tex]=(2x^{2} +5x^{2} -5x-3x+6+4)\\=7x^{2} -8x+10\\[/tex]