Respuesta :
Answer:
8x^2 + 5y + 1
Step-by-step explanation:
1 + x^2 - 3 + 2y + 7x^2 + 3 + 3y
group like terms
= x^2 + 7x^2 + 2y + 3y + 1 - 3 + 3
add similar items
= 8x^2 + 2y + 3y + 1 - 3 + 3
add similar items
= 8x^2 + 5y + 1 - 3 + 3
= 8x^2 + 5y + 1
Answer:
[tex]\Huge \boxed{8x^2 +5y+1}[/tex]
[tex]\rule[225]{225}{2}[/tex]
Step-by-step explanation:
[tex]1+x^2-3+2y+7x^2+3+3y[/tex]
Grouping like terms.
[tex]7x^2 +x^2+2y +3y +3+1 -3[/tex]
[tex](7x^2 +x^2)+(2y +3y) +(3+1 -3)[/tex]
Combining like terms.
[tex]8x^2 +5y+1[/tex]
[tex]\rule[225]{225}{2}[/tex]