horselover13 horselover13

22-02-2018
Mathematics

contestada

What is the product of -2x^3+x-5 and x^3-3x-4?

Show your work.

Is the product of -2^3+x-5 and x^-3x-4 equal to the product of x^3-3x-4 and -2x^3+x+5?

Explain your answer

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JumpingBobcat JumpingBobcat

24-02-2018

[tex](-2x^3+x-5)(x^3-3x-4) = -2x^6+6x^4+8x^3+x^4-3x^2-4x[/tex][tex]-5x^3+15x+20[/tex], which equals [tex]-2x^6+7x^4+3x^3-3x^2+11x+20[/tex].

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