Question

Factorise:m(m-1)-n(n-1)


Plsss hlp

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

❣️$\textbf{\large{\pink{\underline{\underline{Step by step Explanation:-}}}}}$

$\mathbb{m(m-1)-n(n-1)}$

$\mathrm{=m^{2}-m-n^{2}+n}$

$\mathrm{=m^{2}-n^{2}-(m-n)}$

$\textit{\underline{using Identity,,}}$

$\mathtt{[a^{2}-b^{2}=(a-b)(a+b)]}$

$\mathrm{=(m-n)(m+n)-(m-n)}$

$\textit{\underline{Take common,,}}$

$\mathrm{=(m-n)(m+n-1)}$

$\mathit{\underline{Answer:-}}$

$\mathrm{\boxed{\red{(m-n)(m+n-1)}}}$

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