F actorise - m 2-4 m - m -4A- m -1 m -4B- m -1 m -4C- m -1 m -4D- m -1 m -4

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Standard VIII

Mathematics

Factorization by Taking Common Factor

F actorise : ...

Question

$F a c t o r i s e : m^{2} - 4 m - m + 4$

(m - 1) (m - 4)

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(m - 1) (m + 4)

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(m + 1) (m - 4)

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(m + 1) (m + 4)

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Solution

The correct option is A $(m - 1) (m - 4)$
Given, the expression is
$m^{2} - 4 m - m + 4.$
Taking 'm' common from the first two terms and '-1' common from the last two terms, we get
$m (m - 4) - 1 (m - 4)$
$= (m - 1) (m - 4)$

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Factorise:m2−4m−m+4

The correct option is A (m−1)(m−4)Given, the expression is m2−4m−m+4. Taking 'm' common from the first two terms and '-1' common from the last two terms, we get m(m−4)−1(m−4) =(m−1)(m−4)

$F a c t o r i s e : m^{2} - 4 m - m + 4$

The correct option is A $(m - 1) (m - 4)$
Given, the expression is
$m^{2} - 4 m - m + 4.$
Taking 'm' common from the first two terms and '-1' common from the last two terms, we get
$m (m - 4) - 1 (m - 4)$
$= (m - 1) (m - 4)$