225k views
5 votes
Add ( 7x^2-5x+3)+(2x^2+7x-8)

Add ( 7x^2-5x+3)+(2x^2+7x-8)-example-1
User Oroom
by
4.8k points

2 Answers

3 votes

Answer:

A.9
x^(2)+2x-5

User Carrizal
by
5.4k points
4 votes

Answer:


9{x}^(2) + 2x - 5

Option A is the correct option.

Solution,


7 {x}^(2) - 5x + 3 + 2 {x}^(2) + 7x - 8 \\

Combine like terms:


7 {x}^(2) + 2 {x}^(2) - 5x + 7x + 3 - 8

Simplify:


9 {x}^(2) + 2x - 5

Hope this helps..

Good luck on your assignment..

User Sznowicki
by
5.5k points