Friday

January 30, 2015

January 30, 2015

Posted by **Trina** on Friday, September 3, 2010 at 5:54pm.

4x^2-27x+45

- algebra -
**drwls**, Friday, September 3, 2010 at 6:06pmThe discriminant is b^2 - 4 ac = 729 -720 = 9. Since the square root of that is an integer (3), the polynomial can be factored.

The roots are (1/8)[27 +/-3] = 30/8 and 3

4x^2-27x+45 = (x-3)(4x- 15) are the factors

**Answer this Question**

**Related Questions**

Math(Please check answers) - Factor completely. If the polynomial cannot be ...

MATH 101 - Factor completely. Be sure to factor out the greatest common factor ...

Algebra Please check answers - Could you please check these answers thanks. ...

math - Factor each polynomial, if possible. If the polynomial cannot be factored...

Algebra - Explain why x^2 + 5x + 8 is prime (not factorable). How do you know? ...

Algebra - Explain why x^2 +5x + 8 is prime(not factorable) How do you know? Give...

algebra 2 - Factor completely with respect to the integers. 1. 9x^2 - 4 2. x^3...

Algebra - What is 9x^2 +4x^2 Factor each polynomial completely. If a polynomial ...

Factoring and Prime - I am still having troulbe with these. Her is another one I...

algebra - factor completely. Remember to look first for a common factor. if the ...