lukestroup2002 lukestroup2002

11-12-2019
Mathematics

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12n^2+48n = -n^3-64 factoring polynomial equations

I know the solution is n= -4 but idk how to do the work. Any help is appreciated

12n248n n364 factoring polynomial equations I know the solution is n 4 but idk how to do the work Any help is appreciated class=

Respuesta :

Аноним Аноним

11-12-2019

Answer:

Step-by-step explanation:

12n2+48n=−n3−64

Step 1: Subtract -n^3-64 from both sides.

12n2+48n−(−n3−64)=−n3−64−(−n3−64)

n3+12n2+48n+64=0

Step 2: Factor left side of equation.

(n+4)(n+4)(n+4)=0

Step 3: Set factors equal to 0.

n+4=0

n=−4

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