Answer:
c
Step-by-step explanation:
using the 10 = 7x - 20 for simplicity.
10 = 7x - 20 add 20 to both sides
30 = 7x divide both sides by 7
30/7 = x
Answer: (x+5)*(x+2)
Step-by-step explanation:
1: Write as a sum
x^2+7x+10
2: Factor the expressions
x^2+5x+2x+10
3: Factor the expression
x(x+5)+2(x+5)
Answer: (x+5)(x+2)
Hope this helps!
Here is the answer for a:
The correct anwser is 4s^2