Question

The nature of roots of the quadratic equation x2 + 2x - 143=0 is
O a) Real and equal roots
Ob) Real and unequal roots
O c) Imaginary roots
O d) Neither one above​

Answer 1

Answer:

Step-by-step explanation:

x² + 2x - 143 = 0

=> x² + 13x - 11x - 143 = 0

=> x(x+13) - 11(x+13) = 0

=> (x - 11)(x + 13) = 0

=> x = 11, -13