Question

( x + 7 ) ( x + 7 )​

Answer 1

(x-7)*(x+7) = x^2 +7*x - 7*x - 49 = x^2 - 49

So the reduced polynomial is: x^2 - 49

Check:

x=.10

( x^2) - 49

51

(x-7)*(x+7)

51

Correct.

Answer 2

Answer:

2x = 14

x = 14/2

x= 7

Step-by-step explanation:

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