Question

If x^2 = 50, what is the value of x?

Answer 1

x = ± 5√2

Explanation:

x² = 50

x = ± √50

x = ± √2×25

x = ± √2×5²

x = ±5 √2

Answer 2

x^2 = 50

Square both sides

x= √50

x= (√25)(√2)

x = 5√2

Final answer: x = 5√2 and since x is to the power of 2 you can have x = + or - x = 5√2