7a(3b - 2c + 4) Help? - QAmmunity.org

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

7a(3b - 2c + 4) Help?

asked Jun 3, 2021 157k views

3 votes

7a(3b - 2c + 4)

Help?

Mathematics
high-school

Ruhul asked

by Ruhul

6.1k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

4 votes

Answer:

21ab-14ac+28a

Explanation:

$7a(3b - 2c + 4)\\\\\mathrm{Distribute\:parentheses}\\\\=7a* \:3b+7a\left(-2c\right)+7a*\:4\\\\\mathrm{Apply\:minus-plus\:rules}\\\\+\left(-a\right)=-a\\\\=7*\:3ab-7*\:2ac+7*\:4a\\\\Simplify\\\\21ab-14ac+28a$

Gilad Hoch answered Jun 7, 2021

by Gilad Hoch

5.7k points

0 Comments

Please log in or register to add a comment.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.7m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

21ab-14ac+28a

0 Comments

Please log in or register to add a comment.

Other Questions