Mathematics for IGCSE & O level - Equations (Section 3 - No. 44)

Which technique would most easily solve an equation such as x² - 100 = 0?
Completing the square
Using the quadratic formula
Factorization of the difference of squares
Rearranging to isolate x

Explanation

Factoring difference of squares: (x-10)(x+10) = 0

Comments (0)

Advertisement