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InLoveWithPugs

Answer:

-1

Step-by-step explanation:

(8 + -9)(9 + -8)

A negative times a positive is a negative.

8 + -9

+- = -

8 - 9

8 - 9 = -1

(-1)(9 + -8)

9 + -8

+- = -

9 - 8

9 - 8 = 1

(-1)(1)

Now, we multiply

Remember, a negative times a positive equals a negative.

-1 * 1 = -1

Our answer is -1

BasketballEinstein

Answer:

[tex]-1[/tex]

Step-by-step explanation:

[tex][8 + −9][9 + −8] = [8 - 9][9 - 8] = [1][-1] = -1[/tex]

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