Solve 12*(-1/5)^2-4

$$12 \cdot ( - \frac { 1 } { 5 } ) ^ { 2 } - 4$$

Evaluate

$$-\frac{88}{25}=-3.52$$

Solution Steps

Calculate -\frac{1}{5} to the power of 2 and get \frac{1}{25}.

$$12\times \frac{1}{25}-4$$

Multiply 12 and \frac{1}{25} to get \frac{12}{25}.

$$\frac{12}{25}-4$$

Convert 4 to fraction \frac{100}{25}.

$$\frac{12}{25}-\frac{100}{25}$$

Since \frac{12}{25} and \frac{100}{25} have the same denominator, subtract them by subtracting their numerators.

$$\frac{12-100}{25}$$

Subtract 100 from 12 to get -88.

$$-\frac{88}{25}$$

Factor

$$-\frac{88}{25} = -3\frac{13}{25} = -3.52$$