3y 2 5y 4 July 8, 2019 16 32 64 128 3y 2 5y 4 0 2x 3y 2 4x 5y 1 2 3y 1 5y 4 3 3y 2 7 5y 8 4 1 14 2 5y 4 )( 3y 1 2 3y 4 )= 5y 16 3y 2 8y 4 5y 3y 2 )( 5y 7 )( 2y 4 3y 4x 2 4x 5y 4x 3y =- 2 4x 5y 14 6 3y 2 )- 4 5y 12 X 3y 2 3x 5y 4 by reduction method Y 2 3y 4 5y 6 21 4y 3y 2 5y 7 X 3y 2 3x 5y 4 by inversion method