What is the value of \left(x-7\right)\left(x+8\right)-\left(x-9\right)\left(x+10\right)?

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What is the value of \left(x-7\right)\left(x+8\right)-\left(x-9\right)\left(x+10\right)?

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

ID: 63273db5ca83163ac3a0a1a3