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Sagot :
Answer:
4(4x + 5)
Step-by-step explanation:
4 goes into both 16 and 20.
4×4 is 16 and
4×5 is 20.
When factoring you put the nunber you factored out typically, in front. Then the remaining factor goes in a set of parenthesis.
This is like undoing distributive property.
16x + 20
= 4(4x+5)
- 16x+20
Take 2 common
- 2(8x+10)
Again take two common
- 2(2(4x+5)
Simplify
- 4(4x+5)
Done
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