Q1 of 157 Page 22

Choose the correct answer for the following:

m2 + (c + d) m + cd = ______

Given m2 + (c + d) m + cd = m2 + cm + dm + cd


⇒ m2 + (c + d) m + cd =m(m + c) + d(m + c)


⇒ m2 + (c + d) m + cd = (m + d)(m + c)

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