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Math Help - how to factorise when given 2 squares

  1. #1
    Senior Member Mukilab's Avatar
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    how 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
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  2. #2
    Junior Member mathfun's Avatar
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    suppose its a trionym with unknown letter a and b known.
    \[{a^2} + \left( {100 + 40b} \right)a + {b^2} - 100b\]
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  3. #3
    Senior Member Mukilab's Avatar
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    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.
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