macroarbor macroarbor

01-11-2018
Mathematics

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Find all the zeros of the equation. -3x^4+27x^2+1200=0 PLEASE HELP and show work

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Meowthteam Meowthteam

01-11-2018

Answer: x=−5 or x=5

Step-by-step explanation:

−3x4+27x2+1200=0

Step 1: Factor left side of equation.

−3(x2+16)(x+5)(x−5)=0

Step 2: Set factors equal to 0.

x2+16=0 or x+5=0 or x−5=0

x=−5 or x=5

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