nikaylah54 nikaylah54

11-02-2021
Mathematics

contestada

Find the solutions
x3 + 7x2 – X – 7 = 0

Respuesta :

RealBacon123 RealBacon123

11-02-2021

Answer:

x=−1 or x=1 or x=−7

Step-by-step explanation:

x3+7x2−x−7=0

Step 1: Factor left side of equation.

(x+1)(x−1)(x+7)=0

Step 2: Set factors equal to 0.

x+1=0 or x−1=0 or x+7=0

x=−1 or x=1 or x=−7

Answer Link

cclv2022 cclv2022

11-02-2021

Answer:

x=-7,-1,1

Step-by-step explanation:

Answer Link

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