Answer:
56x + 8
Step-by-step explanation:
c^2 +17c -5
I like to line them up vertically
2c^2 +7c - 1
- (c^2 -10c+4)
----------------------
Distribute the minus sign
- c^2 +10c-4
[ 11 - 10 ] / 10 x 100%
= 1 /10 x 100%
= 10%
Only 10% longer