Answer:

Step-by-step explanation:

(3c+10d+2) - (c+10d+6)​

3c+10+2-(c+10d+6) remove unnecessary parentheses

3c+10d+2-c-10d-6 when there is a - front of an expression in parentheses, change the sign of each term in the expression

2c+10d+2-10d-6

2c+10d-4-10d

2(c+5d-2-5d) Factor out form the expression

2(c+5d-2-5d) since two opposites add up to zero remove them form the expression

Answer, 2(c-2)

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