lilvinmath lilvinmath

08-09-2019
Mathematics

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Simplify...Urgent pls

SimplifyUrgent pls class=

Respuesta :

08-09-2019

Hey!
The answer is:
-x^2+18x-9

Answer Link

Аноним Аноним

08-09-2019

Answer:

-x^2 + 18x - 9.

Step-by-step explanation:

(x + 3)^2 - 2(x - 3)^2

= x^2 + 6x + 9 - 2(x^2 - 6x + 9)

= x^2 + 6x + 9 - 2x^2 + 12x - 18

= -x^2 + 18x - 9.

Answer Link

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