3x 1 )( 5x 2 )= 0 July 8, 2019 16 32 64 128 3x 2 5x 1 0 solutions 3x 3 5x 2 x 1 0 3x 3 5x 2 2x 1 0 3x 3 5x 2 5x 1 0 5x 3x scriptsize dfrac 1 2 0 1 3x 1 4y 2 0 5x y 11 Arccos 3x 2 5x 1 )= 0 3 5x 2 3x 1 3x 0 6 3x 1 5x 2 7 0 5 3x 1 81 5x 2 0 3x 2 5x 1 0 quadratic formula 3x 2 5x 1 0 completing the square