Precalculus Examples

$\frac{8 (4.9 - 5)}{{4.9}^{2} - 25}$

Step 1

Subtract $5$ from $4.9$ .

$\frac{8 \cdot - 0.1}{{4.9}^{2} - 25}$

Step 2

Simplify the denominator.

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Step 2.1

Raise $4.9$ to the power of $2$ .

$\frac{8 \cdot - 0.1}{24.01 - 25}$

Step 2.2

Subtract $25$ from $24.01$ .

$\frac{8 \cdot - 0.1}{- 0.99}$

$\frac{8 \cdot - 0.1}{- 0.99}$

Step 3

Simplify the expression.

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Step 3.1

Multiply $8$ by $- 0.1$ .

$\frac{- 0.8}{- 0.99}$

Step 3.2

Divide $- 0.8$ by $- 0.99$ .

$0.\overline{80}$

$0.\overline{80}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$