Answer:
10. ( 7x + 2 ) × ( 5x + 1 )
Step-by-step explanation:
1. 35x² + 10x + 7x + 2
2. 5x × ( 7x + 2 ) + 7x + 2
3. ( 7x + 2 ) × ( 5x + 1 )
Answer:
Step-by-step explanation:
negative
The answer is 20 because you plug in x=2 into f(x)

6.9
......................................................................
( 2x +5)^2 =4
2x+5=2
2x=-3
X=-3/2