Solve 1.9^3-1.9*2-3/1.9-1

$$\frac{ { 1.9 }^{ 3 } -1.9 \times 2-3 }{ 1.9-1 }$$

Evaluate

$$\frac{59}{900}\approx 0.065555556$$

Solution Steps

Calculate 1.9 to the power of 3 and get 6.859.

$$\frac{6.859-1.9\times 2-3}{1.9-1}$$

Multiply 1.9 and 2 to get 3.8.

$$\frac{6.859-3.8-3}{1.9-1}$$

Subtract 3.8 from 6.859 to get 3.059.

$$\frac{3.059-3}{1.9-1}$$

Subtract 3 from 3.059 to get 0.059.

$$\frac{0.059}{1.9-1}$$

Subtract 1 from 1.9 to get 0.9.

$$\frac{0.059}{0.9}$$

Expand \frac{0.059}{0.9} by multiplying both numerator and the denominator by 1000.

$$\frac{59}{900}$$

Factor

$$\frac{59}{2 ^ {2} \cdot 3 ^ {2} \cdot 5 ^ {2}} = 0.06555555555555556$$