Simplify the following:
2 x^2 + x^2 + 4 x - 8 - 3
Grouping like terms,
2 x^2 + x^2 + 4 x - 8 - 3 =
(2 x^2 + x^2) + 4 x + (-8 - 3)
(2 x^2 + x^2) + 4 x + (-8 - 3)
2 x^2 + x^2 = 3 x^2:
3 x^2 + 4 x + (-8 - 3)
-8 - 3 = -11:
Answer:
Answer: 3 x^2 + 4 x + -11
6 x^2 + 6 x + 3