Question

Simplify the radical expression
20
+
√
288
−
8

Answer 1

Answer:

20+√288−8 = 12 + 12√2

Step-by-step explanation:

288 = 2⁵×3² → 288 = 2×4²×3² = 12²×2

then

√288 = 12√2

then

20+√288−8 = (20-8)+12√2 = 12 + 12√2