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Rewrite $12 - 3 x + x^{2} - 5$ in its simplest form.

Class 8Adding and Subtracting ExpressionsAlgebra

A $- 2 x^{2} + 7$
B $x^{2} + 3 x + 7$
C $x^{2} - 3 x + 7$
D $x^{2} - 3 x + 17$

Step-by-Step Solution

Only the constants are like terms:

12 - 5 = 7

. So the expression is

x^{2} - 3 x + 7

.

Answer: C)

x^{2} - 3 x + 7

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