How could I factorise this?

a^2+100a-100b+40ab+b^2

I know it's a square number so I must be able to factorise it into something along the lines of (...)^2

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- Mar 28th 2011, 09:56 AMMukilabhow to factorise when given 2 squares
How could I factorise this?

a^2+100a-100b+40ab+b^2

I know it's a square number so I must be able to factorise it into something along the lines of (...)^2 - Mar 28th 2011, 09:58 AMmathfun
suppose its a trionym with unknown letter a and b known.

- Mar 28th 2011, 10:04 AMMukilab
I don't think it's a trinomial... I've researched those types of equations and I don't think it's possible to factorise... my mistake, sorry.