Question 631914
Solve equation y = x^2 - 25, using the quadratic formula
a = 1
b = 0
c = -25
x = 0+/-{{{(sqrt(0 - 4*1*-25))/2}}} = +/-{{{(sqrt(100))/2}}} = +/-{{{10/2}}}
Two solutions
x = +5
x = -5