Answer:
5x^2 - 4x - 1 + 4x^2 + 4
9x^2 - 4x + 3
Step-by-step explanation:
5 by 3
Explanation:
15 = 5 x 3
16 = 5 + 5 + 3 + 3
yes because you can do 3(2)
2000
Trade it for something else.
