X 2 2 √ 5x 5 0 July 8, 2019 16 32 64 128 X 2 2 5x 1 5 0 X 2 5x 2 x 5 )= 0 X 2 25x 5 0 X 2 4 5x 5 0 2 5x 2 x 3 5 0 Log x 2 x 2 x 3 2x 2 5x 5 )= 0 5x 2 4 x 2 2x 1 )- 5 0 X 3 x 2 4 0 5x 2 5 X 2 5x 5 0 quadratic formula X 2 5x 5 0 complete the square 2 5x 2 x 3 5 0 by factorisation