1. Rewrite the sum of 24 and 40 by factoring out the greatest common factor.

24 + 40 = _(_+_)

2. Rewrite the sum of 30 and 40 by factoring out the greatest common factor,

30 + 40 = _(_+_)

3. Rewrite the sum of 30 and 42 by factoring out the greatest common factor.

30 + 42 = _(_+_)

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Step-by-step explanation for part 1:We know that:Since they are divisible by 4, we can factorize them.## ________________________________________________

Step-by-step explanation for part 2:We know that:Since they are divisible by 10, we can factorize them.## ________________________________________________

Step-by-step explanation for part 3:We know that:Since they are divisible by 6, we can factorize them.## ________________________________________________