Plzzzzzzzzzzzzzzzzzzzzzzzzzz Which of the following is the correct expansion of (x + 4)(x2 + 2x + 7)? x3 + 6x2 + 8x + 7 x3 + 6x2 + 15x + 28 x3 + 15x2 + 15x + 28 x3 + 12x2 + 8x + 7

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Apr 25, 2021 22.4k views

2 votes

Plzzzzzzzzzzzzzzzzzzzzzzzzzz

Which of the following is the correct expansion of (x + 4)(x2 + 2x + 7)?

x3 + 6x2 + 8x + 7

x3 + 6x2 + 15x + 28

x3 + 15x2 + 15x + 28

x3 + 12x2 + 8x + 7

Mathematics
high-school

Phaylon asked

by Phaylon

3.3k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

1 vote

Answer:

${x}^(3) + 6 {x}^2 + 15x + 28$

Explanation:

$({x} + 4) * ( {x}^(2) + 2x + 7)$

${x}^(3) + 2 {x}^(2) + 7x + 4 {x}^(2) + 8x + 28$

${x}^(3) + 6 {x}^2 + 15x + 28$

ThirstForKnowledge answered Apr 30, 2021

by ThirstForKnowledge

3.8k 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.

3.8m questions

4.9m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions