Question

solve the quadratic equation X square - 2 x minus 143 is equal to zero​

Answer 1

Answer:

$= > x {}^{2} - 2x - 143 = 0 \\ = > x {}^{2} - 13x + 11x - 143 = 0 \\ = > x(x - 13) + 11(x - 13) = 0 \\ = > (x + 11)(x - 13) = 0 \\ = > x + 11 = 0 \\ = > x = - 11 \\ = > x - 13 = 0 \\ = > x = 13$

Answer 2

Answer:

Step-by-step explanation: