How do you evaluate 3xxsqrt(5) + 2xxsqrt(2)3×5+2×2?

2 Answers
Jul 10, 2018

9.5369.536

Explanation:

3 xx sqrt5 + 2 xx sqrt23×5+2×2

3sqrt5 + 2sqrt235+22

sqrt5 = 2.2365=2.236

sqrt2 = 1.4142=1.414

Substituting..

3(2.236) + 2(1.414)3(2.236)+2(1.414)

6.708 + 2.8286.708+2.828

9.5369.536

Jul 10, 2018

3xxsqrt5+2xxsqrt2=color(blue)(3sqrt5+2sqrt23×5+2×2=35+22

Explanation:

Given:

3xxsqrt5+2xxsqrt23×5+2×2

Simplify.

3sqrt5+2sqrt235+22

This cannot be simplified further since the radicals are not the same and are prime numbers.