Question

2. What are the solutions to the quadratic equation

x? - 25 = 0

x = 5 and x = -5
x = 25 and x = -25
x = 125 and x = -125
no real solution

Answer 1

The answer is x=5 and x=−5

x² - 25 = 0

(x-5)(x+5)=0

x²-5x+5x-25=0

x-5=0 x+5=0

x=5 or x=-5