Question

Solve x^2+2x-143=0
Please give full answer with explanation.

Answer 1

$x = \frac{ - b + \sqrt{ {b}^{2} - 4ac} }{2a}$
This is the formula we use to find the value of x.
We have got
a=1
b=2
c= -143
Hope this helps... :)

Answer 2

Step-by-step explanation:

thanks for the free points