Practice problem
Complete the square to find the solutions of 0=3x2−42x+420=3x^2-42x+420=3x2−42x+42, rounded to the nearest hundredth.
−2.31-2.31−2.31
−0.66-0.66−0.66
000
1.081.081.08
12.9212.9212.92
Type a concept, like “slope” or “photosynthesis”.