PurpleOcean PurpleOcean

29-10-2020
Mathematics

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Can someone help me with part b?

Can someone help me with part b class=

Respuesta :

thegoat1178 thegoat1178

29-10-2020

Answer: x^2+3x+5

Step-by-step explanation:

Substitute (x+4) in so that you get f(x)=(x+4)^2-5(x+4)+9. Then expand so you get x^2+8x+16-5x-20+9. Now simplify and you get x^2+3x+5. That is your final answer.

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