danielreyes12345 danielreyes12345 26-04-2020 Mathematics contestada 7.) Circle the problems that are in standard form. If it is not in standard form, re-write in standard form. a. X-11x2 b. 2+ 3x + 4x + 3x C. -3x+17x + 2x2 d. -1+3x + 2x2