2 2 x 4 0 July 8, 2019 16 32 64 128 X 2 2 2x 4 0 2 2x 5 2 x )+ 4 0 2 3x x 2 4 )= 0 2 2x 3 * 2 x 4 0 2 x 3 )( 2 x 4 )= 0 2 6x )(- x 2 4 )= 0 Y 2 x 2 4 0 X 2 2x 4 0 complete the square 2x 2 x 4 0 solve 2x 2 2x 4 0 5 x 2 )- x 2 4 0 2 * 4 x 9 * 2 x 4 0 X 2 2 √ 2x 4 0 1 2 x 2 0 4