Answer:
8.72 • 10^7
Step-by-step explanation:
There are no like terms.
Let me know if im wrong
x ≈ 14.5
A = x²√(25+10√5)/4
A = 1.72a²
x² = A/1.72
= 363.27/1.72
≈ 211
x = √211
≈ 14.5
