Question

${3x }^{2} - x - 4$
द्विघात के शून्यक ज्ञात कीजिए​

Answer 1

$3 {x}^{2} - x - 4$

$3 {x}^{2} - (4 - 3)x - 4 = 0 \\ 3 {x}^{2} - 4x + 3x - 4 = 0 \\ x(3x - 4) + 1(3x - 4) \\ (x +1 )(3x - 4)$