Homework Help

Solve for x. 3x^3+x^2-48x=16

kristenmariebieber's profile pic

Posted via web

dislike 2 like

Solve for x.

3x^3+x^2-48x=16

1 Answer | Add Yours

justaguide's profile pic

Posted (Answer #1)

dislike 2 like

The equation 3x^3+x^2-48x=16 has to be solved for x.

3x^3+x^2-48x=16

=> 3x^3+x^2-48x - 16 = 0

=> x^2(3x + 1) - 16(3x + 1) = 0

=> (x^2 - 16)(3x + 1) = 0

=> (x - 4)(x + 4)(3x + 1) = 0

x = 4, x = -4 and x = -1/3

The solution of the equation 3x^3+x^2-48x=16 is {-4, -1/3, 4}

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes