# What is the sum of the Polynomials

• Aug 23rd 2012, 06:07 PM
jsw9430
What is the sum of the Polynomials
What is the sum of the polynomials?
(x^2-2x+4) and (-2x^2+3x-9)
A) -X^2+X-5
B) -x^2-5x-5
• Aug 23rd 2012, 06:10 PM
Prove It
Re: What is the sum of the Polynomials
Quote:

Originally Posted by jsw9430
What is the sum of the polynomials?
(x^2-2x+4) and (-2x^2+3x-9)
A) -X^2+X-5
B) -x^2-5x-5

Don't you know how to collect like terms?
• Aug 23rd 2012, 06:13 PM
jsw9430
Re: What is the sum of the Polynomials
Not really
• Aug 23rd 2012, 06:15 PM
Prove It
Re: What is the sum of the Polynomials
Do you know what is meant by collecting like terms?
• Aug 23rd 2012, 06:16 PM
jsw9430
Re: What is the sum of the Polynomials
yes puting x's and exponets together
• Aug 23rd 2012, 06:21 PM
Prove It
Re: What is the sum of the Polynomials
Not quite, it's putting together all terms that have the same POWERS of x. Now try it.
• Aug 23rd 2012, 06:25 PM
jsw9430
Re: What is the sum of the Polynomials
Thanks I got it now.