Precalculus Examples

$2 \cdot 49^{x} + 4 \cdot 7^{x} + 5 = 0$

Step 1

Graph each side of the equation. The solution is the x-value of the point of intersection.

No solution

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