HeroesofOlympus7717 HeroesofOlympus7717 12-09-2022 Mathematics contestada Use a calculator to solve -x²-3 x+7=0 . Round to the nearest hundredth. a. -0.76,4.76 b. 0.76,5.76 c. -1.54,4.54 d. -4.54,1.54