Factor out a common factor from a sum with a letter
Find the biggest number that divides every term. Write it outside the brackets, then divide each term by it.
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See worked examples
Factor out the greatest common factor: 10 + 8x
Answer: 2(5 + 4x)
Factor out the greatest common factor: 10t + 4w
Answer: 2(5t + 2w)
Factor out the greatest common factor: 2y + 8
Answer: 2(y + 4)
Tip: Find the biggest number that divides every term. Write it outside the brackets, then divide each term by it.
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