9 x elevado a 2 3x 1 4x elevado a 2 July 8, 2019 16 32 64 128 3 x 3 = 9 1 2 − 4 ( x − 3 ) = 3 9 − 9 x 9 * 3 ^ (x ^ 2 - 4x) 3 ^ - 1
