Sum
Solve : x² – 16 = 0
Advertisement Remove all ads
Solution
`x^2 - 16 = 0`
`=> x^2 - 4^2 = 0`
`=> (x + 4)(x - 4) = 0`
Since x + 4 = 0 or x - 4 = 0
then x = -4 or x = 4
Concept: Quadratic Equations
Is there an error in this question or solution?
Advertisement Remove all ads
