b. x2+13x+40=0𝑥2+13𝑥+40=0 Type the answer in the box below.x=𝑥= or x=𝑥= Show your reasoning.
Question
b. x2+13x+40=0𝑥2+13𝑥+40=0 Type the answer in the box below.x=𝑥= or x=𝑥= Show your reasoning.
Solution
Para resolver la ecuación cuadrática , podemos usar la fórmula general para ecuaciones cuadráticas, que es:
En esta ecuación, , y . Sustituimos estos valores en la fórmula:
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Calculamos el discriminante:
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Sustituimos el discriminante en la fórmula general:
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Resolvemos para las dos posibles soluciones:
Por lo tanto, las soluciones de la ecuación son:
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