willhdez willhdez

07-06-2016
Mathematics

Answered

What is the simplified form of the quantity 12 z-squared plus 25z plus 12 over the quantity 3 z-squared minus 2z minus 8 ?

4z plus 3 over z plus 2

4z minus 3 over z plus 2

4z plus 3 over z minus 2

4z minus 3 over z minus 2

Verified Answer :

marissaleegrier marissaleegrier

08-06-2016

(12z^2 + 25z + 12)/(3z^2 - 2z - 8)
You have to factor it. You know how to factor it right?
(12z^2 + 16z + 9z + 12)/(3z^2 - 6z + 4z - 8)
(4z(3z + 4) + 3(3z + 4))/(3z(z - 2) + 4(z - 2))
((4z + 3)(3z + 4))/((3z + 4)(z - 2))
(4z + 3)/(z - 2)

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