# Factorise the questions for me please?

1. 10a+8

2. 12a-3

3. 10a-8c

4. 25a-20c+15

5. 3a^4+ 2a^3

6.6a^5+15a

7.1-a^5+4a

8.7a^2b + 14ab

Update:

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Relevance
• 9 years ago

1. 10a+8

=2(5a+4)

2. 12a-3

=3(4a-1)

3. 10a-8c

=2(5a-4c)

4. 25a-20c+15

=5(5a-4c+3)

5. 3a^4+ 2a^3

=a^3(3a+2)

6.6a^5+15a

=a(6a^4+15)

7.1-a^5+4a

=1-a(a^4+4)

8.7(a^2)b + 14ab

=7ab(a+2)

• 9 years ago

You really aren't expecting someone to do your homework for you are you? You would be better served if you attempted these problems on your own. If you aren't certain how to begin, I'd suggest you post a new question with just one problem and ask if someone would please be so kind as to provide you with a step by step explanation. Then, use that approach to solve the other problems on your own. Your teacher, I'm certain, didn't give you these problems to see if you could cheat your way through the homework, but rather to give you practice building skills that he/she probably taught you in class. Do yourself a huge favor and learn how to solve these problems.

• Anonymous
6 years ago

don't be mean ansmenam