What is one solution to the following quadratic equation: 2x*2+8x−10=0

Question

The numbers after the stars are exponents. 

 

Question 1 options:

a)
x=5


b)
x=-5


c)
x=-1


d)
x=-10

Answer 1

2x² + 8x - 10 = 0

2(x² + 4x - 5) = 0

2(x + 5)(x - 1) = 0

{-5, 1}