Posted by **jacky** on Monday, March 26, 2007 at 9:30pm.

can someone help me i've tried different numbers but i can come out to factor this:

2b^2+6b-216=0

why don't you divide the equation by 2 to get b^2+3b-108=0

now by trial and error, can you find two factors of 108 that have a difference of 3?

(b-9)(2b+24)

## Answer this Question

## Related Questions

- math - solve the equation x^3-5x^2-4x+20=0 I need a hint on how to solve this ...
- algebra - 6RS +RR4 PQPQ P,Q,R and S represents four different digits. what ...
- Factor - How do I factor these: 2x2 - 16x + 30 4x^2-9 x^2-5x 5x^2-26x+5 25x^2+4 ...
- math, algebra - Problem: A formula for a football player's rushing average r ...
- Math - a square + b square = 80 ft (c Square) Through trial and error I can tell...
- algebra - Okay, how do you factor a polynomial when there is a number in front ...
- hard math - please someone help me! i've tried so hard! factor m^6 + n^2 28x^2y^...
- Physics(Please help, thanks) - An experiment was done where a tiny steel ball ...
- Physics(Please check) - An experiment was done where a tiny steel ball was ...
- math - How can I factor this: 2a^2 + 19a +42 ? I've been trying to do this for ...