Solve the following equations: x^4-4x^3-21x^2=0

nidantasnu

nidantasnu

Answered question

2022-06-30

Solve the following equations:
x 4 4 x 3 21 x 2 = 0

Answer & Explanation

Tucker House

Tucker House

Beginner2022-07-01Added 9 answers

x 4 4 x 3 21 x 2 = 0
x 2 ( x 2 4 x 21 ) = 0
x 2 ( x + 3 ) ( x 7 ) = 0
x 2 = 0 ; x + 3 = 0 ; x 7 = 0
x = 0 , x = 3 , x = 7
Jeffrey Jordon

Jeffrey Jordon

Expert2022-07-07Added 2605 answers

Answer is given below (on video)

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