Asked by kim

Simplify: Can someone please help me with this and go through the steps for it please. Thank You

-8z(-9z^2-z-1)
Answered by MathMate
Start with the distributive law:
A(B+C)
=AB+AC
and similarly
A(B+C+D)
=AB+AC+AD

Try:
4x(5x<sup>2</sup>+3x+2)
=4x*5x<sup>2</sup> + 4x*3x + 4x*2
=20x<sup>3</sup> + 12x<sup>2</sup> + 8x

Can you try your problem now?
Answered by kim
i still don't understand on how to do the problem
Answered by kim
would the answer for the problem that i sent you be 72z^3-8z^2-1
Answered by PsyDAG
You have to multiply -8z by <I>all</I> terms. Also remember that a negative times a negative equals a positive.

72z^3 + 8z^2 + 8z

I hope this helps a little more. Thanks for asking.
Answered by Kimberly
simplify:
can someone please help me solve this problem?
Thank You
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