1.

What is the middle term if you multiply x+7 by x-7?​

Answer»

Answer:

0

Step-by-step EXPLANATION:

(x+7)(x-7)

it is in form of (a+b)(a-b)

so the ANS is simply

x^2-7^2

=x^2-49

there is no MIDDLE so COEFFICIENT of x is 0



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