Your answer would be: 7(c-70)
Step 1: Combine like terms:
- 10(- 5c + 4c + 7) - 3c
-10(- c + 7) - 3c
Step 2: Distribute:
-10 (-c - 7) - 3c
10c - 70 - 3c
Step 3: Combine like terms:
10c - 70 - 3c
7c - 70
Step four: Common factor
Factor by grouping:
- 10(− 5c + 4c + 7) − 3c
7(c-10)
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