steveenterprises123 steveenterprises123

24-07-2020
Mathematics

contestada

Expand (x +2) (9 - x)

Respuesta :

sharonkaran sharonkaran

24-07-2020

Answer:

-x²+7x+18

Step-by-step explanation:

(x+2) (9-x).

x(9-x)+2(9-x)

9x-x²+ 18-2x

9x-2x-x²+18

7x-x²+18

-x²+7x+18

Answer Link

yunkaus yunkaus

24-06-2021

Answer:

x^2-7x-18

Step-by-step explanation:

Verified Khan Academy Answer

Answer Link

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