Answer:
2 x^2 + -5 x - 3
Step-by-step explanation:
Expand the following:
(x - 3) (2 x + 1)
(x - 3) (2 x + 1) = (x) (2 x) + (x) (1) + (-3) (2 x) + (-3) (1):
2 x x + x - 3 2 x - 3
x×2 x = 2 x^2:
2 x^2 + x - 3 2 x - 3
-3×2 = -6:
2 x^2 + x + -6 x - 3
x - 6 x = -5 x:
Answer: 2 x^2 + -5 x - 3
