Practice problem
Simplify. 67−5\frac{6}{7-\sqrt{5}}7−56
21+3522\frac{21+3\sqrt{5}}{22}2221+35
21+3521+3\sqrt{5}21+35
21+3544\frac{21+3\sqrt{5}}{44}4421+35
18+4513\frac{18+4\sqrt{5}}{13}1318+45
Type a concept, like “slope” or “photosynthesis”.
