Answer:
4.
5.
Explanation:
4.
First break it into groups:
Then factor out x from the first parentheses and 5y from the second one:
Next, factor out x + y from the equation. This gives you:
5.
Break it into groups like the last one:
Then, factor out m from the first parentheses and -4 from the second parentheses:
Lastly, factor out 2m + 3 from the equation: