Multiply $(- 9) b y (- 6)$ and find its additive inverse.

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Solution

Step 1: Find the multiply
Given, $(- 9) \times (- 6)$
Now, $(- 9) \times (- 6) = 54$
Therefore, the required value is $54$
Step 2: Find its additive inverse
The additive inverse of an integer is an integer when added to that integer gives zero.
For an integer $a$ , the additive inverse is $- a$ such that $a + (- a) = 0$
Therefore, the additive inverse of $54$ is $- 54$
such that $54 + (- 54) = 0$
Hence, the required additive inverse is $- 54$

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