Which type of expression does $(3 x - 8 y + 4) - (x - y)$ give after simplification? [2 MARKS]

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Solution

Simplified equation: 1 Mark
Name of expression: 1 Mark

The given equation is:
$(3 x - 8 y + 4) - (x - y)$

$= 3 x - 8 y + 4 - x + y$

$= 2 x - 7 y + 4$

where $2 x, 7 y$ and $4$ are the three terms.
So, the simplified equation is a trinomial.

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