Find Composite Functions – Khan Academy Help Center - Turkish (BETA)

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Abdullah Ansari

28 Temmuz 2018 21:00
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Where does the 36x come from in this question. I am very confused. My greatest thanks to anyone who can help me

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Regina Litman

29 Temmuz 2018 03:33
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The expansion of (9x-2)^2 = 9^2x-2*2*9x+2^2. The middle term, 2*2*9x = 4*9x = 36x.

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