Multiple choice

What is (m - n) (z + c) in expanded form?

  1. mz - nz + mc - nc

  2. mz + nz - mc - nc

  3. mz - nz - mc + nz

  4. mz - nz -<span style="font-family:" arial;="" font-size:="" small;=""> mc - nc
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A Correct answer
Explanation

(m - n) (z + c) = mz + mc - nz - nc (Using Foil)

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