Posted by **MANU** on Friday, May 2, 2008 at 11:45am.

Factorise by splitting the middle term:-

x^2-120xy-625y^2

- math -
**PsyDAG**, Friday, May 2, 2008 at 2:38pm
625 factors into 5 * 5 * 5 * 5. You have to combine the above factors, so the difference will equal 120.

5 * 5 * 5 = 125

125 - 5 = 120, or even better 5 - 125 = -120

Therefore x^2-120xy-625y^2 = (x+5y)(x-125y)

Although this may not be the process you were seeking, I hope this helps. Thanks for asking.

## Answer this Question

## Related Questions

- Math - Find the specified term of the expansion in each of the following: a.6th ...
- math - How do you factor 2x^2-5x+2? (x-2)(2x-1) how do you figure that out? ...
- math,help - how do i find the following: is there a formula for this? Problem #...
- Maths - How to do factorise ? What is Factorise ? Give me some examples ,please...
- Math - how do you simplify cubed root of 625y to the 3th power z to the 7th ...
- Math - Rewrite the middle term as the sum of two terms and then factor ...
- maths - Find the indicated term for (1-2x)^10, middle term.
- math - help my daughter has a math problem and came to me for help, I am lost...
- math - Each of the following pairs of terms is the middle term and last term of ...
- factorising - how do you factorise? for example putting 2x² + x - 3 into ...

More Related Questions