Question

ecuación de la formula general
${x}^{2} - 3x - 10 = 0$
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Answer 1

x² - 3x - 10 = 0

a = 1

b = -3

c = -10

x = -b ± √b² - 4ac / 2a

x = -(-3) ± √(-3)² - 4 (1) (-10) / 2(1)

x = 3 ± √9 + 40 /2

x = 3 ± √49 /2

x = 3 ± 7/2

x1 = 3 + 7/2 = 5

x2 = 3 - 7/2 = -2

Espero haberte ayudado. Suerte en los estudios ≧◠◡◠≦.