E
Editor
Sep 18, 2022
What is the value of \left(x-7\right)\left(x+8\right)-\left(x-9\right)\left(x+10\right)?
Difficulty: Easy
A:
34
B:
146
C:
-146
D:
-14x+34
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ID: 63273db5ca83163ac3a0a1a3