What is the positive solution of -12x = 8x^2 - 13.5?

Iknow the answer but the calculator doesn't seem to give the right one

Iwill give brainliest. give accurate answer, . suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

What is the solution to the system of equations? (–6, –4) (–5, –4) (–3, –2) (0, 1)