Question

factorise


am^2+bm^2+bn^2+an^2

Answer 1

Answer:

Step-by-step explanation:

Answer 2

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Here is your answer
$a {m}^{2} + b {m}^{2} + b {n}^{2} + a {n}^{2} \\ \\ = {m}^{2} (a + b) + {n}^{2} (b + a) \\ \\ = (a + b)( {m}^{2} + {n}^{2} )$
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