Estou com dificuldade em resolver essa equação do 2° grau por favor façam passo a passso. Eu sei que o resultado e -3, 4. -x²+x+12=0

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?