Simplify (2x2 - 5x + 3) - (-x2 + 4x - 5) A) x2-x-2 3x²-3x-2 3x²-x+ 5 3x² - 9x=8

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Jun 21, 2021 32.7k views

5 votes

Simplify

(2x2 - 5x + 3) - (-x2 + 4x - 5)
A)
x2-x-2
3x²-3x-2
3x²-x+ 5
3x² - 9x=8

Mathematics
middle-school

Andras Hatvani asked

by Andras Hatvani

4.6k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3 votes

Answer:

3x² - 9x + 8

Explanation:

$(2x^2-5x+3)-(-x^2+4x-5)\\\\=2x^2-5x+3-(-x^2)-4x-(-5)\\\\=2x^2-5x+3+x^2-4x+5\qquad\text{combine like terms}\\\\=(2x^2+x^2)+(-5x-4x)+(3+5)\\\\=3x^2-9x+8$

Ppwater answered Jun 27, 2021

by Ppwater

4.8k 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.

4.6m questions

6.0m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3x² - 9x + 8

0 Comments

Please log in or register to add a comment.

Other Questions