Practice problem
Solve the quadratic equation x2−4x−18=3x^{2}-4x-18= 3x2−4x−18=3.
x=−3,7x=-3, 7x=−3,7
x=−3,5x=-3, 5x=−3,5
x=3,5x=3, 5x=3,5
x=5,−7x=5, -7x=5,−7
Type a concept, like “slope” or “photosynthesis”.
