Question

Factorise: 16m²-40mn+25n² *​

Answer 1

Answer:

16*16-49+625

Step-by-step explanation:

/that is the answer

Answer 2

Answer:

$\huge\mathcal{solution}$

$\mathcal\purple{Factorise \: 16 {m}^{2} - 40mn + 25 {n}^{2} }$

The given expression can be written as -

$\mathcal{(4m {)}^{2} - 2 \times (4m) \times (5n) + (5n {)}^{2} }$

$\mathcal{ = (4m - 5n {)}^{2} }$

$\mathcal{(4m - 5n)(4m - 5n)}$

$\mathcal\orange{using \: indentity : } \\ \mathcal\orange{( {a}^{2} + {b}^{2} ) = {a}^{2} - 2ab + {b}^{2} }$

Step-by-step explanation:

i hope it helps you :)

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