Answer:
2x² + 7x - 4
Step-by-step explanation:
(2x-1)(x+4)
= (2x)(x) + (2x)(4) + (-1)(x) + (-1)(4)
=2x² + 8x - x -4
=2x² + 7x - 4
Answer:
One, a=11/3.
Step-by-step explanation:
6a-3a-6=2+3
3a-6=5
3a=5+6
3a=11
a=11/3
Answer:
23
Step-by-step explanation:
3a+5
3(6)+5
18+5
23
Answer:
8700
Step-by-step explanation:
If it is 8,690 and you round to the nearest hundred it would add one to 90 making it 8,700
