Register
Find the sum: (3x^2 - 4x + 8) + (x^2 + x - 5)
18.3k views
5 votes
Find the sum: (3x^2 - 4x + 8) + (x^2 + x - 5)

Find the sum: (3x^2 - 4x + 8) + (x^2 + x - 5)-example-1
User TOMMY WANG
by
3.3k points

1 Answer

5 votes

4x² -3x +3

1) Adding those trinomials step by step

(3x² - 4x + 8) + (x² + x - 5)​ Remove the parentheses since there's no multiplication

3x²- 4x + 8 + x² + x - 5 Combine like terms

3x² +x² -4x +x +8 -5 Rewrite them orderly

4x² -3x +3

2) So the sum of those trinomials yields 4x² -3x +3

User Telmo Pimentel Mota
by
3.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.5m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
Simplify: 10 ÷ [(5 + 2) − 5]
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
WHAT IS 33 TIMES 5 TELL ME THE ANWER
Link Copied!