Question

find the roots of quadratic equation 5x²-4x-12=0​

Answer 1

Answer:

$5 {x}^{2} - 4x - 12 = 0 \\ 5 {x}^{2} + 6x - 10x - 12 = 0 \\ x(5x + 6) - 2(5x + 6) = 0 \\ (x - 2)(5x + 6) = 0 \\ x = 2 \: and \: x = \frac{ - 6}{5}$

Roots of the equations are 2 and -6/5.

Answer 2

Answer:

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