Factorise : m²+3m-4

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Gaurav Seth 5 years, 1 month ago
A n s w e r :
To Factorise : m2 + 3m − 4
By splitting the middle term
= m2 − 4m − m − 4
= m (m + 4) −1(m + 4)
= (m−1) (m+4)
So, m2 + 3m − 4 = (m−1) (m+4)
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