Question

Factorise : 4z^3 - 20z^2 + 33z + 18.​

Answer 1

Step-by-step explanation:

STEP 1

:

Equation at the end of step 1

(((4 • (z3)) - (22•5z2)) + 33z) + 18

STEP 2

:

Equation at the end of step

2

:

((22z3 - (22•5z2)) + 33z) + 18

STEP 3

:

Checking for a perfect cube

3.1 4z3-20z2+33z+18 is not a perfect cube

Trying to factor by pulling out :

3.2 Factoring: 4z3-20z2+33z+18