Simplify
3x^2 - x + 7 + 6x^2 - 3
Collect like terms
(3x^2 + 6x^2) - x + (7 - 3)
Simplify
9x^2 - x + 4
[ Answer ]
[tex]\boxed{9x^{2} \ - \ x \ + \ 4}[/tex]
[ Explanation ]
Simplify: ([tex]3x^{2}[/tex] - x + 7) + ([tex]6x^{2}[/tex] - 3)
Remove Parenthesis
[tex]3x^{2}[/tex] - x + 7 + [tex]6x^{2}[/tex] - 3
Group Like Terms
[tex]3x^{2}[/tex] + [tex]6x^{2}[/tex] - x + 7 - 3
Add Similar Elements: [tex]3x^{2}[/tex] + [tex]6x^{2}[/tex] = [tex]9x^{2}[/tex]
[tex]9x^{2}[/tex] - x + 7 - 3
Add \ Subtract Numbers: 7 - 3 = 4
[tex]9x^{2}[/tex] - x + 4
[tex]\boxed{[ \ Eclipsed \ ]}[/tex]
