SOLUTION: Rewrite the middle term as the sum of two terms and then factor completely 4z³ -18z² - 10z

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Rewrite the middle term as the sum of two terms and then factor completely 4z³ -18z² - 10z      Log On


   

Question 94972: Rewrite the middle term as the sum of two terms and then factor completely
4z³ -18z² - 10z
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Rewrite the middle term as the sum of two terms and then factor completely
4z³ -18z² - 10z
----------
4z^3-8z^2-10z^2-10z
=4z^2(z-2)-10z(z-2)
=(z-2)(4z^2-10z)
=(z-2)(2z)(2z-5)
=2z(z-2)(2z-5)
=============
Cheers,
Stan H.