Insertar números:
ax² + bx + c = (? + ?)(? + ?)
Factoring quadratics (scientific method)
Factoring a quadratic equation means decomposing a polynomial into the product of its binomials. We did invent an algorithm to find any possible factoring. Three important steps are combined to find a solution:
- Equating coefficients to create a system of linear equations
- Solve that system of linear equations
- Use the pq formula to get the final variable
There are infinite possibilities so that a limitation had to be built in. B is always a natural number.
Cómo usarla
Enter values for a, b and c in all text fields.
The buttons on the left side show the possible symbols you can enter.
To calculate the result with your input press the "="-button.
¿Qué hace la calculadora?
Pueden pasar algunos segundos antes de que aparezca el resultado
- Inserta tus valores
- Equates coefficients.
- Creates a system of linear equations.
- Chooses B to calculate D.
- Transforms equations.
- Using the pq formula to calculate A.
- Calculates C from the resulting variables.
¿Quieres ser más móvil?
¡Descarga esa calculadora como App!
¡Su cálculo aparecerá aquí!
Video de introducción
To understand the whole process it is necessary to deal with the applied methods.
Shaelene Stranges provides a quick and clean tutorial how equating coefficients works.
The second method is the solving of a system of linear equations by substitution. Khan Academy made a great video to explain this topic. It also provides some extra examples for a comprehensive understanding.
The last method is the pq formula. Solving Math (hey, that’s me!) provides everything you need to know about it here.
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