Solve 9x^2+21x-8=0

Quadratic Equation

To solve 9x^2+21x-8=0 (also written as 9x²+21x-8=0), we notice that it is already in the standard form ax²+bx+c=0.

Coefficients

These are the coefficients, where a=9, b=21, and c=-8.

Solving Quadratic Equation

We now install the coefficients into the quadratic equation formula and simplify.

Solution 1

This is the first solution.

Solution 2

This is the second solution.