Question

What is the value of the expression shown below if x=3 y=6 and z=4 X^2+3yz

Answer 1

Simplify   ——

           x3

Equation at the end of step

1

:

                z2

 0-((((3x•(y4))•——)•y)•z4)

                x3

STEP  

2

:

Equation at the end of step

2

:

                z2

 0 -  (((3xy4 • ——) • y) • z4)

                x3

STEP  

3

:

Multiplying exponential expressions :

3.1    z2 multiplied by z4 = z(2 + 4) = z6

Equation at the end of step

3

:

      3y5z6

 0 -  —————

       x2  

STEP

4

:

Final result :

 -3y5z6

 ——————

   x2